Question: What is the function of proteins in your body?


Answer: Proteins have many functions. They serve as enzymatic catalysts, are used as

transport molecules (hemoglobin transports oxygen) and storage molecules (iron is stored

in the liver as a complex with the protein ferritin); they are used in movement (proteins

are the major component of muscles); they are needed for mechanical support (skin and

bone contain collagen-a fibrous protein); they mediate cell responses (rhodopsin is a

protein in the eye which is used for vision); antibody proteins are needed for immune

protection; control of growth and cell differentiation uses proteins (hormones). These

are just a few examples of the many, many functions of proteins.