Question

use the passage to answer the following questions. which category of macromolecules does collagen belong to? carbohydrates lipids nucleic acids proteins smiling and fro arent the main dr. lisa iannat mcgill universi we get wrinkle sun exposure. collagen is a n provides stretc

Explanation:

Collagen is a type of protein. It is a major structural protein in the extracellular matrix in the various connective tissues in animal bodies.

Answer:

D. proteins