Question

Which of the following is a function of the cell membrane?

A. stores water, salt, proteins, and carbohydrates
B. helps maintain homeostasis by keeping the cell wall in place.
C. breaks down lipids, carbohydrates, and proteins from foods.
D. helps maintain homeostasis as materials enter and leave the cell​

Answer 1

D. Cell membranes are generally semi-permeable, which means that they allow some materials in (the ones they need to function) and out. Membranes also block materials that the cell doesn’t want or need from entering. Homeostasis essentially means “sweet spot” (not literally just a way to remember it). Hope this helps!