Which structure in a cell is composed mainly by proteins and lipids and aids in maintaining homeostasis within a cell? a. cytoplasm b. cell membrane c. nucleolus d. centrosome

C. Nucleolus

That is the protein that has lipids and aids maintaining homeostasis with in a cell.

it's     c       this is a cell (b) with a nucleus (c) containing dna (a). the dna is organized into chromosomes (d). a section of the chromosome that codes for a trait is called a gene (e).

the animal that would be cutest if scaled down to the size of a cat? elephant