Which of the following statements is correct?
(a) Among the food materials such as groundnut, wheat egg and cow's milk, it is the groundnut which is the richest in protein.
(b) Globular protein is present in blood, milk and eggs.
(c ) Keratin is the protein in hair, hoof and nails
(d) Proteins such as oxytocin, vasopressin, and insulin act as hormones

Options

A. a,d
B. b,c
C. a,b,c
D. a,b,c,d

Answer

D

Explanation

Keratin, a fibrous found in wool, hair, fingernails, and feathers wraps into a helical coil, much like the cord on a telephone.