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56 questions
Which of the following correctly lists the levels of organization in order from LARGEST TO SMALLEST?
chemical, cellular, tissue, organ, organ system, organism
chemical, tissue, organ, cellular, organ system, organism
organism, organ system, organ, tissue, cellular, chemical
organism, organ, organ system, chemical, cellular, tissue
Select all of the inorganic compounds.
water
nucleic acids
carbohydrates
acids and bases
salts
Which of the following correctly describes an ionic bond that lost an electron?
negative
cation
positive
anion
What of the three parts of homeostatic control mechanisms receives the input?
receptor
control center
effector
A person is consuming a gatorade after a long workout. They mention that it is healthy because it has electrolytes in it. You (having taken an anatomy class) know what electrolytes are. What are they?
water ions
salt ions
acid ions
base ions
What necessary life function involves the ability to respond to stimuli and activities?
digestion
excretion
responsiveness
metabolism
A person decided to take the pH reading of their saliva. The number read 6.6. Where on the pH scale would this number fall?
acidic
neutral
basic (alkaline)
A dipole is a molecule with __ different charges.
two
three
four
twelve
If I were to mix two hydrogen's together, what combing form would I end up with?
compound
molecule
What class of organic compounds does DNA and RNA belong to?
carbohydrates
lipids
proteins
nucleic acids
How does simple diffusion work?
by attaching to carrier proteins
osmosis
passing directly through the lipid bilayer
by passing through channels
A patient's blood is drawn then placed in a vile in a centrifuge. After it gets mixed around, the plasma, platelets, white blood cells, and red blood cells will settle out. What type of mixture is blood?
solution
suspension
colloid
What are the monomers for carbohydrates?
nucleotides
monosaccharide
amino acids
glycerol and fatty acid
What of the three parts of homeostatic control mechanisms interprets and integrates the appropriate response?
receptor
control center
effector
A student decides to mix salt and water together to attempt to make salt water. In this situation what is the solvent?
water
the cup
salt
the spoon
Where can the electrons of an atom be found?
in the nucleus
in the shells
attached to protons
attached to neutrons
When blood glucose levels in the body are too high, the body responds by releasing insulin attempting to lower those levels. What homeostatic control mechanism is this an example of?
negative feedback
positive feedback
SELECT ALL the organic compounds.
nucleic acids
proteins
lipids
water
carbohydrates
Acidic solutions have _____ hydroxyls, _____ pH, and ____ hydrogen
low, low, high
high, high, low
high, low, high
low, high, low
What are the monomers for proteins?
nucleotides
monosaccharide
amino acids
glycerol and fatty acid
Which of the following correctly describes homeostasis?
the condition of messing with the body's external environment to make internal stable
the condition of ending stimuli
the condition of maintaining a solid internal temperature
the condition of maintaining the body's stable internal environment
How is water bonded?
ionic
non polar covelent
polar covalent
hydrogen
When looking at an electron model, where can you expect to find the protons and neutrons?
in the nucleus
attached to electrons
outside the nucleus
in the shells
T/F Structure does not correlate to function when talking about cells.
true
false
What are the functions of integral proteins (select all that apply).
enzymes
motor proteins
transport proteins
glycocalyx
receptors
When a women is in labor, the child's head begins pressing on her cervix which stimulates the body to release oxytocin. Oxytocin is going to speed up labor by producing contractions and dilating the cervix. What homeostatic control mechanism is this an example of?
negative feedback
positive feedback
T/F: Lipids are hydrophilic and soluble in water.
true
false
What type of solution requires water to be pumped INTO the cell because the solute concentration is lower than the solvent?
isotonic
hypertonic
hypotoninc
What is the mass number?
number of electrons
number of protons and neutrons
number of neutrons and electrons
number of electrons and protons
What of the three parts of homeostatic control mechanisms carries out the response dictated by the control center?
receptor
control center
effector
Which of the following correctly describes an ionic bond that gained an electron?
negative
cation
positive
anion
When digesting food, no fluid gets leaked from your epithelial cells lining your digestive tract. What cell junction is this made possible by?
tight junction
desmosomes
gap junction
What are the monomers for lipids?
nucleotides
monosaccharide
amino acids
glycerol and fatty acid
If I were to mix hydrogen and oxygen together, what form of combing matter would I be left with?
molecule
compound
A person decides to start taking steroids to enhance their muscle development. What type of organic compound is steroids?
carbohydrates
lipids
proteins
nucleic acids
What are the steps of enzyme action IN ORDER?
product gets released, complex undergoes rearrangement, substrate binds to enzyme forming enzyme-substrate complex
substrate binds to enzyme forming enzyme-substrate complex, product gets released, complex undergoes rearrangement
product gets released, substrate binds to enzyme forming enzyme-substrate complex, complex undergoes rearrangement
substrate binds to enzyme forming enzyme-substrate complex, complex undergoes rearrangement, product gets released
What are the functions of peripheral proteins (select all that apply)?
motor proteins for shape change
enzymes
cell to cell connections
transport proteins
glycocalyx
Basic solutions have _____ hydroxyls, _____ pH, and ____ hydrogen
low, low, high
high, high, low
high, low, high
low, high, low
A student decides to mix salt and water together to attempt to make salt water. In this situation what is the solute?
water
the cup
salt
the spoon
T/F: A solid can become a gas
true
false
What are the monomers for nucleic acids?
nucleotides
monosaccharide
amino acids
glycerol and fatty acid
What part of proteins determine the function?
amino acid
peptide bond
nucleotides
r group
Select the pyrimidines.
adenine
cytosine
uracil
guanine
thymine
What type of mixture has particles that do not dissolve but do not settle out?
colloid
suspension
solution
After learning about pH in A&P, you go home and decide to practice identifying if a solution is acidic/neutral/basic. You take the measurement of bleach cleaner. The number reads 13.67. Where on the pH scale would this fall?
acidic
neutral
basic (alkaline)
When a person consumes food, the molecules get transported around the body. What property of water describes the transportation?
high heat capacity
polar solvent properties
high heat vaporization
reactivity
What is the atomic number?
number of protons and neutrons
number of protons and electrons
number of electrons
number of protons
What type of bond are salts before they get broken up into anions and cations?
ionic
polar covalent
non polar covalent
hydrogen
What is an example of a saturated fatty acid?
olive oile
butter
margarine
peanut oil
Enzymes are... (select all)
biological catalysts
substrate specific
fibrous proteins
globular proteins
involved in lowering activation energy
When your heart is pumping, no blood gets leaked out nor does your heart tear. What cell junction is this made possible by?
tight junction
desmosomes
gap junction
Kinetic energy is energy ________ and potential energy is energy ________
in action, used
stored, in action
in action, stored
used, in action
Select the purines.
adenine
cytosine
uracil
guanine
thymine
How does facilitated diffusion work?
by attaching to carrier proteins
osmosis
passing directly through the lipid bilayer
by passing through channels
What type of solution requires water to be pumped OUT of the cell because the solute concentration is higher than the solvent?
isotonic
hypertonic
hypotonic
Active transport moves ____ the concentration gradient, passive transport moves ____ it.
against, with
with, against
against, against
with, with
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