All of the following amino acids are optically active EXCEPT
A) Leucine.
B) Alanine.
C) Glycine.
D) Cysteine.
E) Lysine.

Name: All of the following amino acids are optically active EXCEPT A) Leucine. B) Alanine. C) Glycine. D) Cysteine. E) Lysine.
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Question

Quizplus · Accepted Answer

Glycine is the only amino acid that is not optically active because it has only a hydrogen atom as its side chain, while the other amino acids have a more complex side chain that can cause them to be optically active.

All of the Following Amino Acids Are Optically Active EXCEPT