Answer:
pretty sure the answer is D
Explanation:
brainliet plz
The overall three-dimensional structure of a polypeptide is called its tertiary structure. The tertiary structure is primarily due to interactions between the R groups of the amino acids that make up the protein.
<span>Protocooperation is where two species interact with each other beneficially; they have no need to interact with each other.</span>
In both you are unable to breathe.