The genes in DNA direct the synthesis of an RNA molecule, which is used to build a protein.
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Which of the following statements about enzymes is false?
answer
They are monomers used to build proteins.
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Which of the following statements regarding carbon is false?
answer
Carbon has the ability to bond with up to six other atoms.
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A disaccharide forms when
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two monosaccharides join by dehydration synthesis.
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Which of the following options correctly pairs a polymer and its monomer?
answer
DNA, nucleotides
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Below is a nutrition facts label for one cup of whole cow's milk. Which of the following is most abundant by weight in one cup of whole milk? (1000 mg = 1 g)
answer
monosaccharides
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Which of the following would be correctly classified as a protein?
answer
an enzyme
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Lactose intolerance is the inability to
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digest lactose.
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Glucose molecules are to starch as ________ are to proteins.
answer
amino acids
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The storage form of carbohydrates is ________ in animals and ________ in plants.
answer
glycogen; starch
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Which of the following statements regarding nucleotides is false?
answer
Nucleotides contain lipids.
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Proteins differ from one another because
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the sequence of amino acids in the polypeptide chain differs from protein to protein.
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The results of dehydration synthesis can be reversed by
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hydrolysis
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Which of the following substances is a lipid?
answer
steroids
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What is the complementary sequence to the DNA strand TCGATGG?
answer
AGCTACC
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Which of the following is an amino group?
answer
-NH2
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Fatty acids with double bonds between some of their carbons are said to be
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unsaturated
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Peptide bonds
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link amino acids
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Which of the following statements about the monomers and polymers found in living organisms is false?
answer
Monomers are joined together by the process of hydrolysis
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Amino acids can be distinguished from one another by
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the chemical properties of their R groups.
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