Question: what are the physical and chemical properties of protein?
Answer: Colour and Taste. Proteins are colourless and usually tasteless. ... 
Shape and Size. The proteins range in shape from simple crystalloid spherical structures to long fibrillar structures. ... 
Molecular Weight. ... 
Colloidal Nature. ... 
Denaturation. ... 
Amphoteric Nature. ... 
Ion Binding Capacity. ... 
Solubility.