Answer:
Proteins are one of major biomolecules that play diverse but major roles for the cell. These macromolecules help in providing support in structure, metabolic process, as an enzyme for regulating different biochemical reactions, carriers proteins that help in the movement of the nutrients and other molecules to move through the plasma membrane.
The other major role of protein is as hormones that help the body to maintain its homeostasis and various growth and development factors. Amino acids are the building blocks of the proteins.
Thus, the correct answer is -
Hormone Production, carrier proteins, help in repairing and growth, Enzymes, Immune Function, Energy and many more.