Protein+Functions

Proteins are virtually involved in all cell functions. Some proteins are involved with the structure of a cell and then some are involved with killing germs Proteins can vary in shapes, sizes and functions. They come from 20 amino acids and have distinct three demontional shapes.

Proteins Functions:

__Antibodies:__ proteins involved in defending the body from antigens.

__Contractile Proteins:__ proteins involved in movement. examples: actin, myosin

__Enzymes:__ considered catalysts because they speed up chemical reactions.