Which of the following functional groups is present in amino acids?
A)SH
B)NHH
C)COOH
D)OH
E)All of the answer choices are present in amino acids.

Question

Quizplus · Accepted Answer

Amino acids contain an amino group (-NH2), a carboxylic acid group (-COOH), and a side chain (-R). The side chain can vary in structure and can contain other functional groups, such as -SH (thiol) or -OH (hydroxyl).

Which of the Following Functional Groups Is Present in Amino