Multiple Choice
The difference between serine and homoserine is the same as between cysteine and homocysteine. This change from the common amino acid is:
A) one additional methylene (−CH2−) group.
B) one additional carboxyl group.
C) two additional amine groups.
D) presence of a ring system.
E) one additional amine group.
Correct Answer:

Verified
Correct Answer:
Verified
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