Protein are nitrogenous bases which are made up of large number of Amino acid linked together chemically. All proteins are made up of C,H,O,N & P. Protein are macromolecules cuz of their high molecular weight.
Based on the chemical nature proteins are classified into three categories.
- Simple protein
- Complex protein
- Derived protein
Base on the structure and shape of protein molecules they are classified into two types
- Globular Protein
- Fibrous Protein