Answer:
Digestion is important for breaking down food into nutrients, which the body uses for energy, growth, and cell repair. Food and drink must be changed into smaller molecules of nutrients before the blood absorbs them and carries them to cells throughout the body. The body breaks down nutrients from food and drink into carbohydrates, protein, fats, and vitamins.
Answer - Mainly RNA Molecule
Reason - Reason is it needs an information is important to the development and synthesis of protein.
It is the comparison of the nucleotide sequences in DNA
