What proteins do?

Answer 1

Proteins serve in two major roles. Some of them make up part of the structure of our bodies. Others are enzymes. An enzyme is a protein that works like a tool. It helps a particular chemical reaction take place.
Protein helps in building and repairing the body tissues. it also produces enzymes and hormones, helps in building up stamina.
They do most of the work in cells and provide structure, function, and regulation to the cell.

Answer 2

What do proteins do?

Any of a group of complex organic macromolecules that contain carbon, hydrogen, oxygen, nitrogen, and usually sulfur and are composed of one or more chains of amino acids. Proteins are fundamental components of all living cells and include many substances, such as enzymes, hormones, and antibodies, that are necessary for the proper functioning of an organism. They are essential in the diet of animals for the growth and repair of tissue and can be obtained from foods such as meat, fish, eggs, milk, and legumes.

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