What is the common between amino acids, fatty acids and glycerol

Options

A. These are all rich source of calories
B. These are the builders of protoplasm
C. These are the end products of digestion of two categories of food constituents
D. These can be stored in the form of fat

Answer

c

Explanation

( c) Proteins are broken down into amino acids during the process of digestion and finally all fats are converted into fatty acid, glycerol and monoglycerides.