A.) a density- independent limiting factor b.) an increase in resource c.) a density- dependent limiting factor d.) a decrease in predation

A.) a density- independent limiting factor  

this is the answer i've taken this quiz for bio unit 2

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.

it marks things for degradation via the proteasome. it alters there celluar location.