Progesterone is a hormone that contains two ketone groups. The oxygen in the ketone group can function as a hydrogen bond acceptor. Select the amino acids that have side chains that can form a hydrogen bond with progesterone at pH 7.
a. threonine.
b. cysteine.
c. alanine.
d. aspartate.
e. arginine.
f. tryptophan.
Answers: 2
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