The portion of an amino acid that makes it unique among the 20 different amino acids is its

Question

Quizplus · Accepted Answer

The side chain or R-group of an amino acid is what makes it unique among the 20 different types. This group can vary from a simple hydrogen atom to a complex ring structure, and it determines the properties and functions of the amino acid within proteins. The carboxyl and amino groups are present in all amino acids and are necessary for peptide bond formation, while hydrocarbon bonding and peptide bonding are not specific to individual amino acids.

The Portion of an Amino Acid That Makes It Unique