General Biology Semester 2 Review
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  • Question 1
    120 seconds
    Q. Which of these is NOT found in RNA?
    answer choices
    cytosine
    uracil
    deoxyribose sugar
    adenine
  • Question 2
    120 seconds
    Q. In DNA, adenine always pairs with:
    answer choices
    uracil
    cytosine
    guanine
    thymine
  • Question 3
    30 seconds
    Q. Name the monomer of a nucleic acid
    answer choices
    monosaccharide
    fatty acids and glycerol
    nucleotide
    amino acid
  • Question 4
    30 seconds
    Q. What part of the nucleotide is circled?
    answer choices
    sugar
    phosphate
    base
    acid
  • Question 5
    30 seconds
    Q. How many strands of genetic information is RNA made of?
    answer choices
    1
    2
    3
    4
  • Question 6
    60 seconds
    Q. Nitrogenous bases are joined by which type of bond?
    answer choices
    polar bonds
    ionic bonds
    covalent bonds
    hydrogen bonds
  • Question 7
    30 seconds
    Q. Replicate the following strand of DNA: 
    AATCATGGA
    answer choices
    AATCATGGA
    TTAGTACCT
    UUAGUACCU
    GGATAUCUA
  • Question 8
    30 seconds
    Q. The enzyme that unzips the DNA to prepare for replication
    answer choices
    helicase
    replicase
    DNA polymerase
    RNA polymerase
  • Question 9
    30 seconds
    Q. DNA replication results in two DNA molecules,
    answer choices
    each one with two original strands
    each one with two new strands
    each one with one new strand and one original strand
    one with two new strands and the other with two original strands
  • Question 10
    30 seconds
    Q. In what phase of the cell cycle does DNA replication take place?
    answer choices
    G1
    Synthesis
    G2
    Binary Fission
  • Question 11
    30 seconds
    Q. Prokaryotes reproduce by doing:
    answer choices
    Cell Cycle
    DNA Replication
    Binary Fission
    Meiosis
  • Question 12
    60 seconds
    Q. The cell spends most of it's life in ________________.
    answer choices
    mitosis
    cytokinesis
    Interphase
    None of the above
  • Question 13
    60 seconds
    Q. The division of the nucleus is known as:
    answer choices
    Synthesis
    Mitosis
    G1
    G2
  • Question 14
    60 seconds
    Q. The ___________ holds the replicated sister chromatids together.
    answer choices
    centriole
    chromosomes
    centromere
    cycles
  • Question 15
    60 seconds
    Q. In the G1 stage of the cell cycle, the cell
    answer choices
    Grows
    Matures
    Carries on normal activities
    All of the above
  • Question 16
    30 seconds
    Q. The structures labeled B are
    answer choices
    centrioles
    chromatids
    centromeres
    chromopheres
  • Question 17
    30 seconds
    Q. When a plant cell goes through cell division,  _____________.
    answer choices
    the 2 new nuclei are separated by the cell membrane pinching off.
    4 new cells are formed
    a cell plate forms, dividing the 2 new nuclei
    None of the above
  • Question 18
    30 seconds
    Q. A human cell has 46 chromosomes before mitotic division.  How many chromosomes will the daughter cells after mitosis.
    answer choices
    12
    23
    46
    92
  • Question 19
    30 seconds
    Q.

    At the end of mitosis you have _____ cells

    answer choices

    identical

    different

    identical twins

    variety

  • Question 20
    60 seconds
    Q. Uncontrollable cell growth is known as _____
    answer choices
    obesity
    cancer
    diabetes
    hepatitis
  • Question 21
    60 seconds
    Q. The causes of cancer may include which of the following?
    answer choices
    environmental influences
    UV radiation
    viruses
    all of these
  • Question 22
    30 seconds
    Q. _ is the process of malingnant cells getting into the circulatory system and establish colonies in other parts of the body
    answer choices
    Tumor
    Uncontrolled growth
    Cancer
    Metastsis
  • Question 23
    30 seconds
    Q. The following image is a cell in: _________________
    answer choices
    Anaphase
    Metaphase
    Interphase
    Telophase
  • Question 24
    30 seconds
    Q. The following cells are in: 
    answer choices
    Telophase
    Prophase
    Interphase
    Metaphase
  • Question 25
    30 seconds
    Q. The correct order of the cell cycle is: 
    answer choices
    Interphase, Prophase, Anaphase, Metaphase, Telophase
    Prophase, Anaphase, Metaphase, Interphase, Telophase
    Interphase, Prophase, Metaphase, Anaphase, Telophase
    Interphase, Telophase, Metaphase, Prophase, Anaphase
  • Question 26
    30 seconds
    Q. This picture shows which process? 
    answer choices
    mitosis
    meiosis
    binary fission
  • Question 27
    60 seconds
    Q. Unlike mitosis, meiosis in male mammals results in the formation of
    answer choices
    one haploid gamete
    three diploid gametes
    four diploid gametes
    four haploid gametes
  • Question 28
    30 seconds
    Q. Why do we need meiosis?
    answer choices
    To double the number of chromosomes going into sex cells
    To halve the number of chromosomes going into sex cells
    To triple the number of chromosomes going into sex cells
    To not change the number of chromosomes going into sex cells
  • Question 29
    30 seconds
    Q. A human zygote should have _____ chromosomes inside.
    answer choices
    46
    23
    92
    64
  • Question 30
    30 seconds
    Q. When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurs
    answer choices
    crossing over
    mutagenesis
    hybridization
    fertilization
  • Question 31
    60 seconds
    Q. If a body cell in a butterfly contains 24 chromosomes, a butterfly egg would contain
    answer choices
    3
    6
    12
    24
  • Question 32
    60 seconds
    Q. The chromosomes that pair up during meiosis, are called __________ chromosomes.  
    answer choices
    homozygous 
    asexual
    homologous
    genes
  • Question 33
    60 seconds
    Q. Identify the phase.
    answer choices
    Metaphase I
    Metaphase II
    Prophase I
    Anaphase II
  • Question 34
    30 seconds
    Q.  Turner's Syndrome is monosomy of which chromosome?
    answer choices
    18
    21
    sex chromosome
    13
  • Question 35
    30 seconds
    Q. What chromosome is affected by Down's Syndrome?
    answer choices
    23
    18
    13
    21
  • Question 36
    30 seconds
    Q. What is the haploid number for this Karyotype?
    answer choices
    26
    27
    52
    54
  • Question 37
    30 seconds
    Q. When it is written that a cell has a n=5, this means:
    answer choices
    There are 5 copies of each chromosome
    There are 5 unique types of chromosomes
    The cell has gone through 5 divisions
    The cell is diploid
  • Question 38
    30 seconds
    Q. An allele is:
    answer choices
    Another term for sex chromosome
    A version of a gene
    The physical expression of an organism's genotype
    A haploid cell
  • Question 39
    180 seconds
    Q. What does heterozygous mean?
    answer choices
    An organism that has the same genes for a trait (TT or tt)
    An organism that has different genes for a trait (Tt)
    When neither gene is fully dominant; offspring is a mixture of both
    the different forms of a trait (hair color--> brown, blonde, red
  • Question 40
    60 seconds
    Q. If T=Tall & t=short, what is the genotypic ratio?
    answer choices
    1:3
    3:1
    1:2:1
    2:2
  • Question 41
    180 seconds
    Q. What is a phenotype?
    answer choices
    The expression of a trait; what you see.
    refers to the genetic makeup of an individual
    An organism that has the same genes for a trait (ex. TT or tt)
    the passing of traits from parent to offspring
  • Question 42
    180 seconds
    Q. If green is dominant over purple, then what is the genotype for this individual?
    answer choices
    Purple
    Green
    GG
    gg
  • Question 43
    900 seconds
    Q. A hairline that comes to a point in the center of the forehead is called a widow's peak. Having a widow's peak is a dominant trait, while having a straight hairline is a recessive trait. Cate, a woman with a widow's peak, has two children with James, a man with a straight hairline like her father.
    What is the probability that their next child will have a straight hairline?
    answer choices
    0%
    25%
    50%
    75%
  • Question 44
    900 seconds
    Q. Some traits are determined by a single gene; for example, presence of freckles (F) is a dominant trait, and lack of freckles (f) is recessive. Having detached earlobes (D) is a dominant trait, and having attached earlobes (d) is recessive.
    Pedro and his wife Rosa have detached earlobes, but Rosa has freckles and Pedro does not. Their daughter Jessica has attached earlobes and does not have freckles. Which of the following genotypes must Rosa have?
    answer choices
    FFDD
    FFDd
    FfDD
    FfDd
  • Question 45
    900 seconds
    Q. A goat that is heterozygous for long hair (Hh) and curved horns (Cc) mates with a goat that is homozygous for short hair (hh) and straight horns (cc). Which of the following genotypes is impossible for their offspring to have?
    answer choices
    HhCc
    HHCc
    hhCc
    hhcc
  • Question 46
    30 seconds
    Q. Gel electrophoresis enables scientists to
    answer choices
    separate DNA fragments.
    combine DNA fragments.
    count the genes in DNA.
    insert DNA in cells.
  • Question 47
    60 seconds
    Q. Which two bear species are most closely related?
    answer choices
    Bear 1 and Bear 2
    Bear 1 and Bear 3
    Bear 2 and Bear 3
    There’s no way to tell
  • Question 48
    60 seconds
    Q. Why do the fragments of DNA in gel electrophoresis travel away from the negative electrode?
    answer choices
    DNA is negatively charged
    DNA is positively charged
    the agarose gel in negatively charged
    the agarose gel is positively charged
  • Question 49
    60 seconds
    Q. In gel electrophoresis, the largest DNA fragment will appear
    answer choices
    closest to the starting wells
    farthest from the starting wells
    three quarters away from the starting wells
    it depends on how many fragments there are
  • Question 50
    30 seconds
    Q. Which of the Dad's is Kid 1's father?
    answer choices
    Dad 1
    Dad 2
    Neither
  • Question 51
    120 seconds
    Q. Enyzmes are a very important type of protein used to
    answer choices
    Build bones in skeleton
    Send hormonal signals throughout body
    Speed up chemical reactions
    Photosynthesize glucose in plants
  • Question 52
    300 seconds
    Q. This is one job proteins do NOT have in the body
    answer choices
    storing genetic information
    structure
    speed up chemical reactions
    transport things through cell membrane
  • Question 53
    120 seconds
    Q. What is the monomer of proteins?
    answer choices
    amino acids
    polypeptides
    nucleotides
    monosaccharides
  • Question 54
    120 seconds
    Q. What is the function of messenger RNA (mRNA)?
    answer choices
    Makes of ribosomes
    Brings amino acids to the ribosomes
    Copies DNA in the nucleus
    None of the above
  • Question 55
    30 seconds
    Q. In RNA, Uracil pairs with ______. 
    answer choices
    cytosine
    adenine
    guanine
    thymine
  • Question 56
    30 seconds
    Q. The process to go from DNA to mRNA is _______
    answer choices
    translation
    transcription
    replication
  • Question 57
    30 seconds
    Q. The process to go from mRNA to a protein is called ____
    answer choices
    transcription
    rRNA
    replication
    translation
  • Question 58
    120 seconds
    Q. Choose the nucleotide sequence of the RNA strand that would be complementary to the following strand: 
    GTAGTCA
    answer choices
    UATUAGA
    ACGACTG
    CAUCAGU
    CATCAGT
  • Question 59
    120 seconds
    Q. The main function of tRNA is to...
    answer choices
    carry a message that, when translated, forms proteins
    form a portion of ribosomes
    string together complementary RNA and DNA strands
    bring amino acids from the cytoplasm to the ribosomes
  • Question 60
    30 seconds
    Q. What amino acid is represented by the codon UUA?
    answer choices
    Phenylalanine
    Tyrosine
    Leucine
    Stop codon
  • Question 61
    60 seconds
    Q. What is the purpose of transcription? 
    answer choices
    to make protein
    to make ribosomes
    to make nucleus
    to make mRNA
  • Question 62
    30 seconds
    Q. What is the location in the cell for translation?
    answer choices
    nucleus
    mitochondria
    ribosome
    chloroplast
  • Question 63
    30 seconds
    Q. What is the three base sequence of mRNA that codes for a single amino acid?
    answer choices
    Anticodon
    Codon
    Amino-acid
    tRNA
  • Question 64
    30 seconds
    Q. The difference in the physical traits of an individual from those of other individuals in a group is called a(n)
    answer choices
    change
    adaption
    species
    variation
  • Question 65
    30 seconds
    Q. what did Charles Darwin observe in finch populations of the Galapagos Islands off the coast of South America?
    answer choices
    different species on different islands
    all species on one of the islands
    identical species on all the islands
    the same species as North America
  • Question 66
    30 seconds
    Q. In natural selection, the selective agent is the
    answer choices
    humans
    mutations
    breeders
    environment
  • Question 67
    30 seconds
    Q. All rabbits living in a particular area would be an example of a(n)
    answer choices
    population
    species
    fossil
    individual organism
  • Question 68
    30 seconds
    Q. which of the folllowing is an exammple of a vestigial structure?
    answer choices
    the wings of a red-tailed hawk
    the hind limbs of a house cat
    the fins of sharks
    the wings of an ostrich
  • Question 69
    30 seconds
    Q. Mutations are important because they bring about
    answer choices
    death of the organism in which they develop
    genetic variation needed for a population to evolve
    benefits for the individual, not for the population
    Hardey-Weinberg equilibrium within a population
  • Question 70
    30 seconds
    Q. Natural selection results in change over time by acting on traits that are
    answer choices
    heritable
    new
    mutated 
    better than the best
  • Question 71
    30 seconds
    Q.

    The combined alleles of all individuals in a population is called the population's

    answer choices

    phenothype

    gene pool

    mutation rate

    allele frequency

  • Question 72
    45 seconds
    Q. Structures with the same parts have different functions; suggests that organisms share a common ancestry
    answer choices
    vestigial structures
    homologous structures
    adaptive radiation
    fossil
  • Question 73
    20 seconds
    Q. The area that the substrate fits into on the enzyme is called the:
    answer choices
    Active Site
    Allosteric Site
    DiSulphide Bridge
    β-Pleated Sheet
  • Question 74
    5 seconds
    Q. Enzymes catalyze reactions by ___________ Activation Energy.
    answer choices
    Increasing
    Decreasing
  • Question 75
    20 seconds
    Q. At high temperatures enzyme activity declines because of:
    answer choices
    Denaturation
    Decreased Kinetic Motion
    Increased H-Bonding
    Dissociation of Ionic Compounds
  • Question 76
    10 seconds
    Q. The molecule an enzyme is working on is called the:
    answer choices
    Substrate
    Solvent
    Allosteric Inhibitor
    CoEnzyme
  • Question 77
    120 seconds
    Q. Which of the following molecules make up the basic structure of a cell membrane?
    answer choices
    waxes
    steroids
    fatty acids
    phospholipids
  • Question 78
    120 seconds
    Q. What are different examples of lipids?
    answer choices
    monosaccahrides, disaccharides, starch, cellulose
    dipetide, polypeptide, amino acids
    DNA, RNA, ATP
    triglycerides, waxes, steroids, phospholipds
  • Question 79
    120 seconds
    Q. This molecule is a
    answer choices
    carbohydrate
    nucleic acid
    protein
    lipid
  • Question 80
    120 seconds
    Q. Saturated fats are __________ at room temperature.
    answer choices
    liquid
    gases
    plasma
    solid
  • Question 81
    60 seconds
    Q. What is another term for "selectively permeable"?
    answer choices
    porous
    completely permeable
    permanent
    semipermeable
  • Question 82
    60 seconds
    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 83
    60 seconds
    Q. Hydrophilic portion of cell membrane?
    answer choices
    A
    C
    D
  • Question 84
    30 seconds
    Q. Which of the following sequences of processes correctly reflects the central dogma?
    answer choices
    protein synthesis, transcription, translation
    protein synthesis, translation, transcription
    transcription, translation, protein synthesis
    translation, transcription, protein synthesis
  • Question 85
    30 seconds
    Q. Which do DNA and RNA have in common?
    answer choices
    Both are double stranded.
    Both contain ribose molecules.
    Both contain phosphate groups.
    Both contain uracil.
  • Question 86
    120 seconds
    Q. In RNA, the nitrogen base____ replaces ____ that was present in DNA. 
    answer choices
    A, U (adenine, uracil)
    C, G (cytosine, guanine)
    U, T (uracil, thymine)
    U, A (uracil, adenine)
  • Question 87
    30 seconds
    Q.

    In order for offspring to get a genetic mutation, the mutation must occur in what type of cell?

    answer choices

    Cells with no nucleus.

    Any body cell after birth.

    Cells with no cell wall or cell membrane.

    Cells like eggs or sperm cells that are undergoing reproduction.

  • Question 88
    180 seconds
    Q. a change in one DNA triplet that may result in a new triplet that codes for a stop codon instead of an amino acid is known as
    answer choices
    missense
    nonsense
    frameshift
    silent
  • Question 89
    180 seconds
    Q.

    A type of mutation in which no amino acids change is called

    answer choices

    Missense

    Nonsense

    Silent

    Deletion

  • Question 90
    30 seconds
    Q. Two organisms that are closely related would have
    answer choices
    very similar DNA sequence
    exactly the same DNA sequences
    no proteins in common
    completely different DNA sequence
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