Answer: heres the 3 main functions.
Explanation:
membranes have three primary functions 1) they keep toxic substances out of the cell 2) they contain receptors and channels that allow specific molecules, such as ions, nutrients, wastes, and metabolic products, that mediate cellular and extracellular activities to pass between organelles and between the cell and the outside environment and 3) they separate vital but incompatible metabolic processes conducted within organelles.
Answer:
1. It separates the cell from its surroundings.
2. It protects it from changes in the chemical and physical environment.
3. It regulates the traffic of molecules into and out of the cell.
Explanation:
