Published by:
CGP EDU Academic Team
Published on: August 11, 2026
Most common types of secondary structure of proteins are
A
helix and 
helix structures
B
helix and 
helix sheet structures
C
Right and left hand twisted structures
D
Globular and fibrous structures
Text Solution
Verified by ExpertsThe correct answer is:
B
Due to regular folding of backbone of the peptide chain, two most common secondary structures of proteins are 
helix and 
plated structures. In 
helix, all H – bonds are formed by twisting the chain into a right handed helix. In 
all peptide chains are stretched to maximum extension and then laid side by side and connected by hydrogen bonds.
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