Respuesta :
The best description of a protein is it is a chain of amino acids. The correct option is C.
What is protein?
Protein is a macromolecule made up of several chains of amino acids. There are two types of proteins, one that the body synthesis, called non-essential, and one that our body doesn't synthesize, called essential amino acids.
Proteins are necessary for the building and growth of muscles and the overall body.
Thus, option C. A chain of amino acids is correct.
Learn more about protein, here:
https://brainly.com/question/17095120
#SPJ2