Q. Which of the following statement (s) is/are true? (i) All amino acids contain one chiral centre (ii) Some amino acids contain one, while some contain more chiral centre or even no chiral centre (iii) All amino acids in protein have L-configuration (iv) All amino acids found in proteins have $1{^\circ}$ amino group
A) (ii), (iii)and (iv)
B) (ii) and (iii)
C) (i), (iii) and (iv)
D) (i) and (iv)
Explanation
(b)
Although D-alanine is a constituent of a bacterial cell walls, it is not found in proteins
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.