Q. The $\alpha$-Helix and $\beta$ - Pleated sheet structures of protein are associated with its :
A) tertiary structure
B) quaternary structure
C) secondary structure
D) primary structure
Explanation
[Solution by Dr. Abubacker] α-Helix and β-pleated sheet arise from hydrogen bonding between the backbone C=O and N–H groups of the polypeptide chain: they are secondary structures. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.