Honors Biology Semester 1 Final Exam Review practice
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  • Question 1
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    Q. Biology is the study of...?
    answer choices
    animals
    plants
    bacteria
    all living things
  • Question 2
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    Q. Which is the BEST description of biology?
    answer choices
    the study of humans and animals
    the study of life and living things
    the study of health care
    the study of humans, plants, and animals
  • Question 3
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    Q. What are the basic building blocks of life?
    answer choices
    Atoms
    Cells
    Tissues
    Organs
  • Question 4
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    Q.

    Things that have all the characteristics of life are known as

    answer choices

    Environments

    Stimulus

    Species

    Organisms

  • Question 5
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    Q.

    Reproduction is the ability to ______________________.

    answer choices

    breath in oxygen.

    grow taller than other species.

    make more of the same type of organism.

    live longer than other species.

  • Question 6
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    Q.

    Information gathered from experiments is called_______.

    answer choices

    Data

    Variables

    Stimulus

    Journal

  • Question 7
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    Q. What two elements make up water?
    answer choices
    Helium and oxygen
    Hydrogen and oxygen
    helium and carbon
    oxygen and carbon
  • Question 8
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    Q. Nucleotides are made up of a sugar, phosphate, and..?
    answer choices
    nitrogenous base
    nucleic acid
    cholesterol
    fatty acid
  • Question 9
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    Q. Why is DNA important?
    answer choices
    it is very small and very complicated
    it's in everything
    it serves as the blueprint for traits of all living things
    because we eat it every day for energy
  • Question 10
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    Q. Non-meat examples of protein include
    answer choices
    broccoli, kale, carrots
    beans, legumes, eggs
    tofu, apples, spinach
  • Question 11
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    Q. _ is/are used to build and repair muscle.
    answer choices
    carbohydrates
    fiber
    protein
    fat
  • Question 12
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    Q. This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted. 
    answer choices
    experimental group
    control group
    data
    variables
  • Question 13
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    Q. This variable in an experiment is the one being deliberately changed by the scientist. 
    answer choices
    dependent variable
    independent variable
    data
    control group
  • Question 14
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    Q. What step does every scientific experiment begin with?
    answer choices
    hypothesis
    question/problem
    procedures
    conclusion
  • Question 15
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    Q. An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
    answer choices
    The type of plant
    The amount of sunlight
    The type of music
    The type of liquid
  • Question 16
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    Q. The summary at the end of an experiment that explains the results. 
    answer choices
    conclusion
    procedures
    materials
    responding variable
  • Question 17
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    Q. Testing a hypothesis often involves a(n):
    answer choices
    answer
    experiment
    problem
    safety check
  • Question 18
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    Q. On what axis should the independent variable always be?
    answer choices
    X
    Y
  • Question 19
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    Q. Squidward found new reeds to tryout for his clarinet.  He used an APPLAUSOMETER to measure applause after playing  Under the Sea with each reed.  The results were put in the table.
    What was controlled?
    answer choices
    The Song
    The Reed
    The Applause
  • Question 20
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    Q. Squidward found new reeds to tryout for his clarinet.  He used an APPLAUSOMETER to measure applause after playing  Under the Sea with each reed.  The results were put in the table.
    What was the independent variable?
    answer choices
    The Song
    The Reed
    The Applause
  • Question 21
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    Q. Squidward found new reeds to tryout for his clarinet.  He used an APPLAUSOMETER to measure applause after playing  Under the Sea with each reed.  The results were put in the table.
    What was the dependent variable?
    answer choices
    The Song
    The Reed
    The Applause
  • Question 22
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    Q. The data collected supports which of the following questions that Squidward could have tested?
    answer choices
    Which song does the audience prefer?
    Which instrument does the audience like best?
    Which reed length creates the best sound?
    How do applause affect performance?
  • Question 23
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    Q. A series of steps used by scientists to solve a problem or answer a question. 
    answer choices
    scientific method
    recipe
    data collection
    metric system
  • Question 24
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    Q. A testable explanation to a problem that has not yet been tested. 
    answer choices
    data
    theory
    hypothesis
    fact
  • Question 25
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    Q. If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?
    answer choices
    True
    How fast you get to school
    Riding a bike or walking
    False
  • Question 26
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    Q. Which biomolecule is made of nucleotides and contain you DNA?
    answer choices
    Carbohydrate
    Lipids
    Protein
    Nucleic Acid
  • Question 27
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    Q. Which biomolecule has sugars and starches?
    answer choices
    Lipids
    Proteins
    Carbohydrates
    Nucleic Acid
  • Question 28
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    Q. Which biomolecule functions include enzymes¬≠ which speeds the rate of chemical reactions, structural components in cells, mechanical functions in muscles and cytoskeleton, cell signaling, and immune response; provides structure and helps with chemical reactions 
    answer choices
    Protein
    Lipids
    Carbohydrate
    Nucleic Acid
  • Question 29
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    Q. Which biomolecule is important source of energy for humans; glucose for human cells, tissues, and organs; provides fiber, sugar, and starches; provides structural support, cell wall, and cell membrane maker?
    answer choices
    Nucleic Acid
    Lipid
    Carbohydrate
    Protein
  • Question 30
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    Q. Which biomolecule includes fats, such as triglycerides, oils, waxes, and steroids (cholesterol); insoluble in water; provides energy storage, insulation, part of cell membrane, and hormones 
    answer choices
    Nucleic Acid
    Lipids
    Carbohydrate
    Protein
  • Question 31
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    Q. Identify the biomolecule
    answer choices
    Carbohydrate
    Lipid
    Protein
    Nucleic Acid
  • Question 32
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    Q. Identify the biomolecule
    answer choices
    Lipid
    Protein
    Carbohydrate
    Nucleic Acid
  • Question 33
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    Q. What is the monomer for a protein?
    answer choices
    Monosaccharide
    Triglyceride
    Amino Acid
    Nucleotide
  • Question 34
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    Q. Lipids are made up of which of the following?
    answer choices
    glycerol and fatty acids tails
    glycerol and monolipids
    fatty acids and phosolipids
    amino acids and nucleotides
  • Question 35
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    Q. What is the monomer of nucleic acids?
    answer choices
    Glycerol
    Monosaccharides
    Amino Acids
    Nucleotides
  • Question 36
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    Q. The waxy, organic substances used by aquatic birds to coat their feathers, when analyzed consists mostly of 
    answer choices
    lipids
    proteins
    carbohydrates
    nucleic acids
  • Question 37
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    Q. What are the four biological molecules?
    answer choices
    proteins, carbohydrates, lipids, nucleic acids
    A, T, C, G
    water, air, earth, and fire
    Joe, Nick, and Kevin Jonas
  • Question 38
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    Q. Which biomolecule is also known as enzymes?
    answer choices
    Carbohydrate
    Lipid
    Nucleic Acid
    Protein
  • Question 39
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    Q. Which biomolecule is responsible for insulation and energy storage?
    answer choices
    Protein
    Nucleic Acid
    Lipid
    Carbohydrate
  • Question 40
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    Q. Which biomolecule is your main source of quick energy?
    answer choices
    Nucleic Acid
    Protein
    Lipid
    Carbohydrate
  • Question 41
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    Q. If you want a reaction to speed up you need an _________.
    answer choices
    nucleic acid
    enzyme
    nerve cell
    carbohydrate
  • Question 42
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    Q. All polymers are made up of...
    answer choices
    monosaccharides
    monomers
    proteins
    None of these
  • Question 43
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    Q. What biomolecule do enzymes belong to? 
    answer choices
    Carbohydrate
    Lipid
    Nucleic Acid
    Protein
  • Question 44
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    Q. What elements are common to all 4 biomolecules?
    answer choices
    Carbon, hydrogen, nitrogen
    Carbon, Nitrogen, Phosphorus
    Carbon, Hydrogen, Oxygen
    Carbon, Hydrogen, Phosphorus
  • Question 45
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    Q. A monomer is ...
    answer choices
    a single atom
    a building block for polymers
    a single element
    is an inorganic molecule
  • Question 46
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    Q.

    What does organic mean (in science)?

    answer choices

    It costs more at the grocery store

    It contains carbon

    It is made of many individual parts

    It produces energy

  • Question 47
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    Q.

    What is a biomolecule?

    answer choices

    The dissolved particle in a solution

    One of the by-products of respiration

    Large molecule that is present in living organisms

    None of the above

  • Question 48
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    Q. Based on the graph, what temperature does this enzyme work best? 
    answer choices
    15 C
    40 C
    30 C
  • Question 49
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    Q. The process/reaction used to link compounds/monomers together.  Releases water.
    answer choices
    Dehydration
    Hydrolysis
    Enzomatic
    Tetratonic
  • Question 50
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    Q. The process used to split polymers; this is done by adding water
    answer choices
    Dehydration
    Hydrolysis
    Enzomatic
    Tetratonic
  • Question 51
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    Q.

    How many carbon atoms in citric acid (C6H8O7)?

    answer choices

    6

    8

    7

  • Question 52
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    Q.

    How many bonds does a carbon atom need?

    answer choices

    2

    4

    6

    8

  • Question 53
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    Q.

    For a compound to be considered an organic compound it must contain

    answer choices

    Carbon

    Hydrogen

    Oxygen

    Nitrogen

  • Question 54
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    Q. What is a substance called if it speeds up a chemical reaction?
    answer choices
    reusable
    catalyst
    specific
    fragile
  • Question 55
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    Q. The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?
    answer choices
    Enzymes increase the energy of the reactants.
    Enzymes decrease the energy level of the products.
    Enzyme decrease the activation energy of the reaction.
    Enzymes reverse the direction of the reaction.
  • Question 56
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    Q. Pick the true statement about cellular organization:
    answer choices
    cells working together make tissues
    cells working together make organs
    tissues working together make organ systems
    organs working together make cells
  • Question 57
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    Q. Which is the most complex of the choices below?
    answer choices
    cell
    tissue
    organ
    organ system
  • Question 58
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    Q. What is the most basic unit of life?
    answer choices
    cell
    tissue
    organ
    organ system
  • Question 59
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    Q. Which choice shows the levels of organization in order from LARGEST to smallest.
    answer choices
    organism, organ system, organ, tissue, cell
    cell, tissue, organ, organ system, organism
    organism, cell, organ system, tissue, organ
    cell, cell, cell, cell, cell
  • Question 60
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    Q. When a baby kitten becomes an adult cat, this is an example of...
    answer choices
    energy metabolism
    growth and development
    response to stimuli
    having cells
  • Question 61
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    Q. Your body shivers when you are cold. This is because of the concept of...
    answer choices
    homeostasis
    heredity
    energy metabolism
    cellular organization
  • Question 62
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    Q.

    If an organism is made entirely of one cell it is called...

    answer choices

    Multicellular

    Prokaryotic

    Unicellular

    Eukaryotic

  • Question 63
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    Q.

    Reproduction that only involves one parent and all offspring are identical; for example, binary fission of bacteria or amoebas.

    answer choices

    Asexual

    Sexual

    Division

    Addition

  • Question 64
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    Q.

    Reproduction that involves two cells from different parents unite to produce the first cell of a new organism.

    answer choices

    Asexual

    Sexual

    Budding

    Division

  • Question 65
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    Q.

    Living things are based on a universal genetic

    code. What molecule is responsible for that code?

    answer choices

    RNA

    Lipid

    Protein

    DNA

  • Question 66
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    Q.

    For single-celled organisms, _____ is

    mostly an increase in size.


    Multicellular organisms go through a

    process called __________, where cells

    divide and differentiate into different

    kinds of cells.

    answer choices

    Evolve, respond to stimulus

    Expansion, progress

    Growth, development

    Production, evolution

  • Question 67
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    Q.

    The combination of chemical reactions through

    which an organism builds up or breaks down

    materials as it carries out its life processes is called ...

    answer choices

    absorption

    metabolism

    digestion

    consumption

  • Question 68
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    Q.

    Maintaining a stable internal

    environment is called

    answer choices

    homeostasis

    equilibrium

    balance

    evenness

  • Question 69
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    Q. When you step out into the cold, your body shivers in order to keep its temperature at 98.6F.
    answer choices
    All living things use energy
    All living things contain cells
    All living things maintain homeostasis
    All living things grow
  • Question 70
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    Q. A camel has eyelashes that work to keep the dust and sand out of its eyes.
    answer choices
    All living things adapt to their environment
    All living things grow
    All living things have cells
    All living things use energy
  • Question 71
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    Q. Rocks are not living because
    answer choices
    they never move
    they aren't needed for humans
    they are not made of cells
    they don't break down
  • Question 72
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    Q. A worm turns away from light is an example of a worm
    answer choices
    reproducing
    doing cellular respiration
    having cells
    responding to its environment
  • Question 73
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    Q. Bacteria is what kind of cell?
    answer choices
    Eukaryotic
    Prokaryotic
  • Question 74
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    Q. What kind of cell is this?
    answer choices
    Eukaryotic
    Prokaryotic
  • Question 75
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    Q. Cells can only be seen with the help of a...
    answer choices
    hand lens 
    magnifying glass
    3D glasses 
    microscope 
  • Question 76
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    Q. All living things are made of...
    answer choices
    atoms 
    cells 
    bacteria 
    plants 
  • Question 77
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    Q. What type of cell has a nucleus? 
    answer choices
    eukaryotic
    prokaryotic 
  • Question 78
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    Q. What type of cell does not have a nucleus?
    answer choices
    eukaryotic 
    prokaryotic 
  • Question 79
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    Q. Plants and animal cells are examples of ___ cells 
    answer choices
    prokaryotic cells 
    eukaryotic cells 
  • Question 80
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    Q. How is this organism best classified?
    answer choices
    unicellular & eukaryotic
    multicellular & eukaryotic
    unicellular & prokaryotic
    multicellular & prokaryotic
  • Question 81
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    Q. Which of the following would be found in both eukaryotic AND prokaryotic cells?
    answer choices
    chloroplast
    cytoplasm
    nucleus
    endoplasmic reticulum
  • Question 82
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    Q. Which is true of prokaryotic and eukaryotic cells?
    answer choices
    Prokaryotic cells are larger than eukaryotic cells.
    Eukaryotic cells do not have nuclei, and prokaryotic cells do have nuclei.
    Prokaryotic cells lack membrane-bound organelles, and eukaryotic cells contain membrane-bound organelles.
    Eukaryotic cells are simpler than prokaryotic cells.
  • Question 83
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    Q. Proteins are produced at which cellular structures?
    answer choices
    nuclei
    ribosomes
    mitochondria
    chloroplasts
  • Question 84
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    Q.

    What distinguishes a plant cell from an animal cell? (How do you tell them apart) Hint: There's 3 ways (Check all 3)

    answer choices

    Central Vacuole

    Mitochondria

    Cell Wall

    Ribosomes

    Chloroplasts

  • Question 85
    45 seconds
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    Q. Animal cells DO NOT have ...
    answer choices
    mitochondria
    lysosomes
    vacuoles
    chloroplasts
  • Question 86
    30 seconds
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    Q. Where are proteins made in the cell? 
    answer choices
    Golgi body
    mitochondrion
    nucleus
    ribosomes
  • Question 87
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    Q. Tiny cell structures that carry out specific functions within the cell...
    answer choices
    membranes
    nucleus
    organelles
    animalicules
  • Question 88
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    Q. What are organelles that store food, water, and waste material?
    answer choices
    vacuoles
    cytoplasm
    cell wall
    Golgi bodies
  • Question 89
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    Q. What directs all the activities of the cell?
    answer choices
    cell wall
    cytoplasm
    nucleus
    cell wall
  • Question 90
    45 seconds
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    Q. What cell part is NOT found in all cells?
    answer choices
    cell wall
    cell membrane
    cytoplasm
    genetic material (DNA/RNA)
  • Question 91
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    Q. This organelle controls what comes in or out of the cell (selectively permeability).
    answer choices
    nucleus
    cell wall
    cell membrane
    vacuole
  • Question 92
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    Q.

    Large balloon-shaped organelle?

    answer choices

    nucleus

    vacuole

    chloroplast

    lysosome

  • Question 93
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    Q. Most of the cell membrane is made of...
    answer choices
    Lipids
    Carbohydrates
    Proteins
    Nucleic acids
  • Question 94
    120 seconds
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    Q.

    What forms the channels and pumps in the phospholipid bilayer?

    answer choices

    carbohydrates

    proteins

    hydrophilic heads

    lipids

  • Question 95
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    Q. Which of the following is NOT part of the cell membrane?
    answer choices
    Lipids
    Carbohydrates
    Proteins
    Nucleic Acids
  • Question 96
    60 seconds
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    Q. Which of the following is responsible for getting large or charged (polar) molecules across the cell membrane?
    answer choices
    E
    B
    C
    D
  • Question 97
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    Q. Protein...
    answer choices
    A
    B
    C
    D
  • Question 98
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    Q. The function of the plasma membrane is....
    answer choices
    to regulate what enters and leaves the cell.
    fight bacteria and viruses that enter the cell.
    provide rigid support and protection to the cell.
    make sure each cell can move
  • Question 99
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    Q. What does "bilayer" mean?
    answer choices
    one layer
    two layers
    laminated
    bilateral
  • Question 100
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    Q. What forms the channels and pumps in the phospholipid bilayer?
    answer choices
    carbohydrates
    proteins
    hydrophilic heads 
    lipids
  • Question 101
    120 seconds
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    Q. Stem cells are
    answer choices
    cells that grow uncontrollably
    undifferentiated and can be any type of cell
    never go through cell division
    only found in embryos
  • Question 102
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    Q. Stem cells can be obtained from
    answer choices
    embryos
    some adult tissues
    umbilical cord blood
    all of the above
  • Question 103
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    Q. Which type of cell is unspecialized?
    answer choices
    skin cell
    stem cell
    liver cell
    muscle cell
  • Question 104
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    Q. what is the role of stem cells in the body 
    answer choices
    fight against infection 
    provide specialized roles in the body 
    used for fertility treatment 
    they produce new specialized cells in the body to replace old cells that are used up 
  • Question 105
    120 seconds
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    Q.

    Cancer is...

    answer choices

    Uncontrolled cell growth

    Normal cell growth

    A protein

    A cell cycle regulator

  • Question 106
    120 seconds
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    Q.

    Which of these is a tumor that is noncancerous and does not spread?

    answer choices

    Malignant

    Benign

  • Question 107
    120 seconds
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    Q.

    What is Apoptosis?

    answer choices

    A tumor

    A protein

    Programmed cell death

    Cell cycle checkpoints

  • Question 108
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    Q. Which of the following is a type of protein that regulates the cell cycle? 
    answer choices
    actin 
    myosin 
    cyclin 
    pepsin 
  • Question 109
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    Q.

    What is cell differentiation?

    answer choices

    The process where unspecialized cells become different in structure and function.

    When DNA controls the cell cycle.

    The ability of cells to make more cells.

    The ability of cells to maintain homeostasis.

  • Question 110
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    Q. The diagram shows the process of cell specialization from a single stem cell. Which of the following statements is true about the process of specialization.
    answer choices
    Specilized cells (blood, skin, nervous etc) cannot be produced from a single stem cell
    Specilized cells are produced immediately following fertilization
    Even though all the cells in an organism come from one single cell, they can specialize into different cell types
    Sincce all the cells in an organism come from one single cell, they must all have the same structure and function
  • Question 111
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    Q. What is one goal of cellular differentiation/specialization?
    answer choices
    To create specialized cells to help organism maintain homeostasis.
    To many cells.
    To make stem cells
    to make single celled organisms
  • Question 112
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    Q. What is the diffusion of water only across a cell or semi-permeable membrane?
    answer choices
    Osmosis
    Diffusion
    Active Transport
    Passive Transport
  • Question 113
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    Q. In which case would a cell most likely shrink?
    answer choices
    when placed in a solution containing a high salt concentration
    when placed in a isotonic solution
    when placed in a solution containing a low pH
    when placed in a solution containing distilled water
  • Question 114
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    Q. Active transport requires energy because...
    answer choices
    The cell is moving something against a concentration gradient
    The cell is moving something with a concentration gradient
  • Question 115
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    Q. Diffusion and Osmosis are examples of...
    answer choices
    Active Transport
    Passive Transport
  • Question 116
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    Q. During diffusion
    answer choices
    substances (things) moves from high to low concentration
    water moves when energy is used
    large or oddly shaped molecules move across a cell membrane
    water moves from high to low concentration
  • Question 117
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    Q.  If the volume of a cell increases when it is placed in a solution, that solution is said to be __________ to the cell
    answer choices
     hypertonic
    subatomic
     isotonic
     hypotonic 
  • Question 118
    180 seconds
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    Q. The picture below is an example of _________________.
    answer choices
    osmosis
    isotonic
    diffusion
    active transport
  • Question 119
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    Q. When both inside and outside of a cell have the same amount of water it is said that the cell has reached a state of
    answer choices
    Osmosis
    Diffusion
    Equilibrium
  • Question 120
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    Q. A person should never drink salty water because their cells would
    answer choices
    shrink
    expand
  • Question 121
    30 seconds
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    Q.  An animal cell placed in a hypertonic (salty) solution will
    answer choices
    Stay the same
    Shrink- get smaller
    Swell- get bigger
  • Question 122
    60 seconds
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    Q. In the given scenario what will happen?  An egg is placed in pure water for 48 hours.
    answer choices
    The egg will gain water and swell.
    Water will move in and out of the cell equally, and the cell with neither shrink nor swell.
    The egg will lose water and shrink.
  • Question 123
    30 seconds
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    Q. Which cell is placed into a hypotonic environment? 
    answer choices
    A
    B
    C
    D
  • Question 124
    30 seconds
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    Q. Permeable means
    answer choices
    things can pass through
    the concentration levels are different
    it is permanent
    things are stuck
  • Question 125
    30 seconds
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    Q. If there is 5 percent water inside a cell and 5 percent water outside a cell
    answer choices
    more water will move inside the cell
    more water will move outside the cell
    There will be no movement of water cells
  • Question 126
    60 seconds
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    Q. What is the definition of Equilibrium?
    answer choices
    the process that brings LARGE particles INTO the cell through the cell membrane
    The movement of molecules from an area of high concentration (where the molecules are more crowded together) to a area of low concentration (where molecules are more spread apart)
    the state where molecules are equally concentrated (balanced) on both sides of the cell membrane.
    the movement of WATER molecules across the cell membrane.
  • Question 127
    120 seconds
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    Q. What is the cell cycle?
    answer choices
    The gradual development of something, especially from a simple to a more complex form.
    The study of heredity and the variation of inherited characteristics.
    The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
    The series of events that take place in a cell leading to its division and duplication of its DNA to produce two daughter cells.
  • Question 128
    120 seconds
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    Q. Which part of the Cell Cycle takes the longest?
    answer choices
    Interphase
    Mitosis
    Prophase
    Cytokinesis
  • Question 129
    120 seconds
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    Q. What happens in the first part of Interphase?
    answer choices
    Mitosis
    Cell Growth
    DNA Replication
    Anaphase
  • Question 130
    120 seconds
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    Q. What part of the cell cycle results in the splitting of the new cells?
    answer choices
    Interphase
    Mitosis
    Metaphase
    Cytokinesis
  • Question 131
    120 seconds
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    Q. What does DNA Replication mean?
    answer choices
    DNA is made.
    DNA makes new cells. 
    DNA copies itself.
    DNA starts the cell cycle.
  • Question 132
    120 seconds
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    Q. What phase is this cell in?
    answer choices
    Cytokinesis
    Mitosis
    Prophase
    Metaphase
  • Question 133
    120 seconds
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    Q. What phase is this cell in?
    answer choices
    Mitosis
    Interphase
    Anaphase
    Telophase
  • Question 134
    30 seconds
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    Q.

    Select ALL stages of Interphase

    answer choices

    G1

    S

    G2

    Mitosis

  • Question 135
    30 seconds
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    Q.

    In which stage of the cell cycle does the DNA replicate?

    answer choices

    G1

    S

    G2

    Mitosis

  • Question 136
    30 seconds
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    Q.

    Human somatic sells contain 46 chromosomes; during meiosis, haploid SEX CELLS are formed with ________ chromosomes each.

    answer choices

    46

    23

    92

    54

  • Question 137
    30 seconds
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    Q.

    When you start with 1 cell, at the end of mitosis, how many identical cells will you have?

    answer choices

    1

    2

    3

    4

  • Question 138
    30 seconds
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    Q.

    After meiosis is complete how many cells will there be?

    answer choices

    1

    2

    3

    4

  • Question 139
    30 seconds
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    Q.

    After mitosis is complete, the new cells:

    answer choices

    are all identical

    are half identical and half different

    are all different

    are all stretched out

  • Question 140
    60 seconds
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    Q. Place these cells in order of mitosis.
    answer choices
    A, B, C, D, E
    B, E, D, A, C
    C, E, A, D, B
    B, D, A, E, C
  • Question 141
    120 seconds
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    Q. During which part of the cell cycle does the cell divide?
    answer choices
    Interphase
    Mitosis
    S phase
  • Question 142
    120 seconds
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    Q.

    Uncontrolled cell division which usually leads to tumors and disease is called:

    answer choices

    Metaphase

    Cytokinesis

    Cancer

    Diabetes

  • Question 143
    30 seconds
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    Q.

    What is the purpose the the cell cycle checkpoints?

    answer choices

    To repair damaged cells before they enter cell division.

    To remove damaged cells from an organism.

  • Question 144
    30 seconds
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    Q.

    When is apoptosis initiated?

    answer choices

    When DNA damage is repaired.

    When cells are removed from the cell cycle.

    When DNA damage cannot be repaired.

  • Question 145
    30 seconds
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    Q. This is the cell cycle checkpoint that makes sure DNA has been replicated correctly during S phase.
    answer choices
    G1 Checkpoint
    G2 Checkpoint
    M Checkpoint
    I Checkpoint
  • Question 146
    30 seconds
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    Q. Neuron cells, like the one pictured, rarely replicate. Therefore, we consider them to be in the _____ phase.
    answer choices
    G0
    G1
    S
    Delay
  • Question 147
    30 seconds
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    Q.

    Mitosis occurs in a:

    answer choices

    Sex cell

    Somatic cell

  • Question 148
    30 seconds
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    Q.

    Meiosis occurs in a:

    answer choices

    Sex cell

    Somatic cell

  • Question 149
    30 seconds
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    Q.

    How many cells are created at the end of meiosis?

    answer choices

    1

    2

    3

    4

  • Question 150
    30 seconds
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    Q.

    Crossing over occurs during Prophase I.

    answer choices

    Meiosis

    Mitosis

  • Question 151
    10 seconds
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    Q.

    In what process is mRNA synthesized?

    answer choices

    Transcription

    Translation

    DNA Replication

    Mitosis

  • Question 152
    10 seconds
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    Q.

    Why must transcription occur where DNA can be found?

    answer choices

    because DNA can't leave

    because ribosomes are in the nucleus

    because DNA polymerase is found there

    because helicase unzips the DNA

  • Question 153
    20 seconds
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    Q.

    A polypeptide is a sequence of ____________________ held together by a ______________ bond.

    answer choices

    amino acids; peptide

    fatty acids; ionic

    proteins; hydrogen

    fatty acids; covalent

  • Question 154
    10 seconds
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    Q. What process is going on in this photo? 
    answer choices
    Transcription 
    Translation 
    Replication 
    All the above 
  • Question 155
    10 seconds
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    Q.

    A DNA nucleotide may be made up of a phosphate group, along with

    answer choices

    deoxyribose sugar and uracil

    ribose sugar and cytosine

    deoxyribose sugar and thymine

    ribose sugar and adenine

  • Question 156
    10 seconds
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    Q.

    Which of the following units are repeatedly joined together to form a strand of DNA? (This is the MONOMER of DNA.)

    answer choices

    amino acids

    nucleotides

    fatty acids

    polysaccharides

  • Question 157
    5 seconds
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    Q.

    The important enzyme related with transcription is;

    answer choices

    gyrase

    DNA polymerase

    RNA polymerase

    ligase

  • Question 158
    60 seconds
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    Q. When an extra base is inserted into the DNA sequence of a gene, the protein doesn't work. Which explains why?
    answer choices
    the base increases rate of translation
    the base causes DNA to be transcribed in opposite direction
    the inserted base causes the codons in the sequence to be incorrect for the desired protein
    the base signals enzymes to translate DNA rather than RNA
  • Question 159
    30 seconds
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    Q. One human disease is caused by a change in one codon in a gene from GAA to GUA. The disease is a result of 
    answer choices
    a mutation
    crossing-over
    a meiosis error
    polyploidy
  • Question 160
    30 seconds
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    Q. What is the relationship between a protein, the cell, and DNA?
    answer choices
    DNA is produced by protein which is produced in the cell
    Protein is composed of DNA which is produced in the cell
    DNA controls the production of protein in the cell
    A cell is composed of DNA and protein
  • Question 161
    120 seconds
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    Q. What is the term for a three-nucleotide sequence that codes for an amino acid?
    answer choices
    base
    codon
    amine
    serine
  • Question 162
    120 seconds
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    Q. Which phrase best describes translation?
    answer choices
    converts mRNA into a polypeptide
    catalyzes bonds between amino acids
    produces RNA from DNA molecules
    recycles tRNA molecules for reuse
  • Question 163
    30 seconds
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    Q. Which of the following is true about RNA?
    answer choices
    It is temporary
    It can leave the nucleus
    It is single stranded and less stable than DNA
    All of these
  • Question 164
    30 seconds
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    Q.

    Which of the following statements is false?

    answer choices

    DNA uses thymine, while RNA uses uracil

    DNA and RNA utilize different sugars in their sugar-phosphate backbones

    DNA is typically double-stranded, while RNA is typically single-stranded

    DNA is a polymer, while RNA is a not

  • Question 165
    30 seconds
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    Q.

    Which of the following are properties of RNA?

    answer choices

    Deoxyribose, uracil, and a globular structure

    Deoxyribose, ribose, and uracil

    Ribose, uracil, and a linear structure

    Deoxyribose, thymine, and a linear structure

  • Question 166
    30 seconds
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    Q.

    Which of the following describes the components of a nucleotide?

    answer choices

    ATP, a pentose sugar, and a nitrogenous base

    A phosphate group, a pentose sugar, and an amino acid

    A phosphate group, a hexose sugar, and a nitrogenous base

    A phosphate group, a pentose sugar, and a nitrogenous base

  • Question 167
    30 seconds
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    Q. The haploid number of human chromosomes is
    answer choices
    11
    12
    23
    46
  • Question 168
    30 seconds
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    Q. When DNA is in its less coiled, "relaxed," state, between cell divisions, it is called
    answer choices
    autosomes
    chromatid
    chromatin
    centromere
  • Question 169
    30 seconds
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    Q. The structure that holds two chromosomes together until they separate for cell division is the
    answer choices
    chromatid
    chromatin
    centromere
    cytoplasm
  • Question 170
    30 seconds
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    Q.

    A _______ is a segment of DNA that codes for a specific protein or RNA molecule.

    answer choices

    gene

    gamete

    chromosome

    chromatid

  • Question 171
    30 seconds
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    Q.

    A _________ is DNA tightly coiled around proteins.

    answer choices

    gene

    chromosome

    trait

    mutation

  • Question 172
    30 seconds
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    Q.

    Chromosomes that are paired by size and content are called _______ chromosomes.

    answer choices

    homeostasis

    homologous

    matching

    sister

  • Question 173
    30 seconds
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    Q.

    A _______ is an egg that has been fertilized by a sperm cell.

    answer choices

    gene

    chromosome

    zygote

    embryo

  • Question 174
    30 seconds
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    Q.

    The 2 male sex chromsomes are _____.

    answer choices

    XY

    XX

  • Question 175
    30 seconds
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    Q.

    A photo of the chromosomes in a dividing cell that are arranged by size is called a _________.

    answer choices

    mutation

    gene

    picture

    karyotype

  • Question 176
    900 seconds
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    Q. If a cell has an abnormal number of chromosomes, usually from meiosis, what is this considered? Choose the best answer.
    answer choices
    Chromosome mutation
    Nondisjunction
    Sex-linked mutation
    Inversion
  • Question 177
    900 seconds
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    Q. Are all mutations harmful?
    answer choices
    Yes, they are caused by toxic chemicals and radiation
    No, all mutations are beneficial
    Yes, mutations cause fatal diseases
    No, some can be useful in a changing environment
  • Question 178
    30 seconds
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    Q.

    A mutation in which only one nucleotide is altered is called a:

    answer choices

    Frameshift Mutation

    Deletion Mutation

    Point Mutation

    Insertion Mutation

  • Question 179
    120 seconds
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    Q. Which of the following would result in a frameshift mutation?
    answer choices
    Insertions only
    Substitution only
    Deletion only
    Insertions and Deletions
  • Question 180
    120 seconds
    Report an issue
    Q.

    Which Karyotype displays a female with Down syndrome?

    answer choices
Report an issue
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