Question Detail

BIO 101 BIO 101 Past Questions Objective Question

Question

Which of the following functional groups behaves as a base?
Options
A Amino group (-NH2)
Correct Answer
B Carboxyl group (-COOH)
C Carbonyl group (=O)
D Sulfhydryl group (-SH)
Correct Answer

Option A is the correct answer.

Detailed Explanation

The amino group (-NH2) can accept a proton (H+), which makes it basic. In aqueous solution, it often becomes protonated to form -NH3+.

Hint

It can pick up a hydrogen ion (H+).

Question Info