1. Nucleotide:
It is the monomer unit of DNA which is formed by a nitrogenous base, deoxyribose sugar and phosphoric acid.
2. Anomers:
Anomers are cyclic monosaccharides which are differing from each other in the configuration of C – 1 if it is an aldose or in the configuration at C – 2 if it is a ketose.
3. Essential amino acids:
The amino acids cannot be synthesised by the body and are essential for the body.
