All of the Following are Components of an Amino Acid

Question

All of the following are components of an amino acid EXCEPT a(n)
A) carboxyl group.
B) pentose group.
C) amino group.
D) α-carbon.
E) R group.

Accepted Answer

A pentose group is not a component of an amino acid. Amino acids consist of an amino group, a carboxyl group, an α-carbon, and an R group. The pentose group is a component of nucleotides, which are the building blocks of nucleic acids.