Which of the following amino acids is not optically active?
A) alanine
B) glycine
C) tryptophan
D) none, all of these are optically active

Name: Which of the following amino acids is not optically active? A) alanine B) glycine C) tryptophan D) none, all of these are optically active
Brand: Quizplus
Rating: 4.8 (40 reviews)

Question

Quizplus · Accepted Answer

Glycine is not optically active because it has a hydrogen atom as its side chain, which does not have a chiral center. All other amino acids have chiral centers in their side chains, making them optically active.

Which of the Following Amino Acids Is Not Optically Active