Biomolecules Question 13
13. The figure shows a hypothetical tetrapeptide portion of a protein with parts labelled A-D. Which one of the following option is correct?
(a) $A$ is the sulphur containing amino acid methionine
(b) D is the acidic amino acid - glutamic acid
(c) $C$ is an aromatic amino acid - tryptophan
(d) $A$ is the $C$ - terminal amino acid and $D$ is $N$ terminal amino acid
Show Answer
Answer : b
Hints & Solutions
(b) Glutamic acid and aspartic acid are acidic amino acids with two carboxylic groups and one amino group.
