Question

The structural formula of an amino acid, isoleucine is:

• A. $C{H}_3-\stackrel{\begin{array}{c}N{H}_2\\ |\end{array}}{\mathrm{CH}}.COOH$
• B.
• C.
• D.

Answer 1

Answer: (C)

Isoleucin is an amino-acid. Chemically it is 2-amino-3-methyl pentanoic acid.