Q. Which form of keratin is present in human hair?

A) Parallel$\ \beta$-sheet
B) $\alpha$-helix
C) Antiparallel $\beta$-sheet
D) None of these
Explanation

Keratin of hair and myosin of muscle have $\alpha$-helical structure. Fibroin, the protein in silk fibres produced by insects and spiders, has pleated structure

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.