Some statements are given about proteins :
(1) They are polymers with high molecular weights
(2) On hydrolysis yield a mixture of `alpha`-amino acids
(3) In glycoproteins the prosthetic group is a carbohydrate
(4) Casein of milk is a simple protein
Among the above, the true statements are:

Options

A. Only 1 and 3
B. Only 1 and 2
C. Only 1 , 2 and 3
D. Only 3 and 4

Answer

C

Explanation

Caesin of milk is conjugated protein.