Mastering Biology: Chapter 5 with Complete Solutions

Mastering Biology: Chapter 5 with Complete Solutions

1. Which polymers are composed of amino Proteins
acids?

a. nucleic acids
b. monomers
c. proteins
d. carbohydrates

2. Which of the following is not attached to the an oxygen
central carbon atom in an amino acid

a. a carboxyl functional group
b. an oxygen
c. an amino acid functional group
d. a side chain ("R" group)

3. Which part of an amino acid is always acidic? carboxyl functional group

a. carboxyl functional group
b. side chain ("R" group)
c. amino functional group
d. None of the above

4. which monomers make up RNA? nucleotides

5. Which of the following statements about the A bond forms between the
formation of polypeptides from amino acids is carboxyl functional group
true? of one amino acid and the
amino functional group of
a. A bond forms between the carboxyl func- the other amino acid.
tional group of one amino acid and the amino
functional group of the other amino acid.
b. A bond can form between any carbon and
nitrogen atom in the two amino acids being
joined.
C. Polypeptides form by condensation or hy-
drolysis reactions.
d. The reaction occurs through the addition of
a water molecule to the amino acids.
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