Two functional groups that are present in all amino acids are the ________ group and the ________ group.

Question

Quizplus · Accepted Answer

All amino acids have a carboxyl group (-COOH) and an amino group (-NH2) attached to the alpha carbon, which is also attached to a variable R group. The carboxyl group acts as an acid (donating H+ ions) while the amino group acts as a base (accepting H+ ions) making amino acids amphoteric. The functional groups hydroxyl, acetal, phosphate ester, and carbonyl are not present in all amino acids.

Two Functional Groups That Are Present in All Amino Acids