Which of the following statements are CORRECT ?
I. Amino acids are organic compounds containing an amino group and an acidic group as substituents on the same carbon i.e., the a - carbon
II. Primary metabolites have identifiable functions and play known roles in normal physiological processes.
III. Ribulose Bisphosphate Carboxylase - Oxygenase (RUBlSCO) is the most abundant protein in the whole of the biosphere .
IV. Starch forms helical primary strutures and it can hold `I_2` molecules in the helical portion.

Options

A. I and III
B. II and IV
C. I,II, III and IV
D. I,II and III

Answer

D