Question

the cell membrane helps to maintain _____________ by regulating what goes in and out of the cell. active transport passive transport homeostasis diffusion

Explanation:

The cell - membrane is a crucial structure. It controls the movement of substances in and out of the cell. Homeostasis is the maintenance of a stable internal environment. By regulating the entry and exit of substances, the cell - membrane helps maintain a stable internal environment for the cell, which is homeostasis. Active transport and passive transport are types of movement across the membrane, and diffusion is a form of passive transport.

Answer:

C. homeostasis