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