Amino Acids:
- Building blocks of proteins, containing an amino group (\(-NH_2\)) and a carboxyl group (\(-COOH\)).
- Essential amino acids must be obtained from the diet.
- Functions: Protein synthesis, enzyme activity, and metabolism regulation.
Nucleic Acids:
- DNA and RNA are polymers of nucleotides, composed of a sugar, phosphate group, and nitrogenous base.
- DNA stores genetic information, while RNA is involved in protein synthesis.