Which of the Following Amino Acids Lacks a Center of Asymmetry

Question

Which of the following amino acids lacks a center of asymmetry?
A) Alanine
B) Glycine
C) Valine
D) Isoleucine
E) Aspartic acid

Accepted Answer

Glycine lacks a center of asymmetry because it has two hydrogen atoms attached to its alpha carbon, making it the only amino acid that is not chiral.