question_answer

Which amino acid has phenolic OH group as its backbone?

A) Glycine                         

B) Leucine

C) Serine                           

D) Tyrosine

Correct Answer: D

Solution :

Tyrosine Amino acid                    R [a] glycine                                  H [b] Leuccine                  \[{{\operatorname{CH}}_{2}}CH{{\left( C{{H}_{3}} \right)}_{2}}\] [c] Serine                       \[{{\operatorname{CH}}_{2}}OH\] [d] Tyrosine