Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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The
alpha helix sequence of amino acids is the __________ structure of proteins. a. | primary | b. | secondary | c. | tertiary | d. | quaternary | e. | stereo | | |
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2.
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Which
level includes the other four? a. | atoms | b. | molecules | c. | electrons | d. | elements | e. | protons | | |
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3.
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How
do hydrophilic molecules react with water? a. | attracted to | b. | mixed
with | c. | absorbed
by | d. | polarized
by | e. | repelled
by | | |
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4.
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The
formation of large molecules by the enzymatic removal of water is an example of what kind of
reaction? a. | oxidation | b. | reduction | c. | condensation | d. | hydrolysis | e. | decarboxylation | | |
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5.
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A
solution with a pH of 7 has how many times fewer hydrogen ions than a solution with a pH of
6?
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6.
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An
example of an unsaturated fat is a. | olive oil. | b. | corn
oil. | c. | soybean | d. | oleo. | e. | all of the
above. | | |
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7.
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These
are the primary cellular sites for the production of proteins. a. | Golgi
bodies | b. | ribosomes | c. | mitochondria | d. | lysosomes | e. | smooth
endoplasmic reticula | | |
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8.
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The
organelle that is compared to a whip is a a. | microfilament. | b. | cilium. | c. | microvillus. | d. | flagellum. | e. | microtubule. | | |
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9.
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Eukaryotic cells have a. | nucleoid regions. | b. | membrane bound
nuclei. | c. | cytoplasm. | d. | A and B
above | e. | B and C above | | |
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10.
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These
are the primary cellular sites for the capture of energy from the sun. a. | Golgi
bodies | b. | ribosomes | c. | mitochondria | d. | lysosomes | e. | chloroplast | | |
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11.
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An
sugar is classified as a: a. | Protein | c. | Carbohydrate | b. | Lipid | d. | Nucleic
acid | | | | |
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12.
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Which
of the following molecules would be more abundant in the body of a human, compared to a
plant? a. | Starch | c. | Cellulose | b. | Glycogen | d. | DNA | | | | |
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