Which is one function of a protein macromolecule? A. Making up the connective tissue in tendons
B. Cushioning the internal organs of an animal
C. Providing the building instructions for living things
D. Making the leaves of plants waterproof

The muscles of the body is entirely made of proteins. They help in the making the connective tissue in the tendons of the body.

Explanation:

A. Making up the connective tissue in tendons

gametes or germ cells are haploid cells (example: sperm and ova) containing only one set (or n) number of chromosomes and autosomal or somatic cells are diploid cells containing 2n number of chromosomes.