Which is one function of a protein macromolecule?
a. cushioning the internal organs of an animal
b. making up the connective tissue in tendons
c. making the leaves of plants waterproof
d. providing the building instructions for living things

Option B

Explanation:

A protein macro molecule can be defined as the very large macro molecule which is commonly a polymerized form of amino acids.

They are very important for the body as plays major role in the building blocks of the body. The muscles of the body is entirely made of proteins.

They help in the making the connective tissue in the tendons of the body. They also help in regulating the body processes, transport of materials throughout the body.

Hence, the correct answer is option B

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