Q. Which one of the following amino acids is not found in proteins?
A) Arginine
B) Ornithine
C) Aspartic acid
D) Tyrosine
Explanation
Ornithine is not found in proteins. It is formed by hydrolyzing arginine and important in the formation of urea.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.