Need help pls

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer

How do specific cell structures and organelles contribute to maintaining homeostasis in the cell?

If the type of food available changes, then…