What is the term for the process by which cells regulate the concentration of ions and molecules across their membranes?

A Osmosis
B Diffusion
C Active transport ✓
D Homeostasis

Explanation

Active transport is the process by which cells regulate the concentration of ions and molecules across their membranes, often against their concentration gradient, using energy from ATP.

Source

Campbell Biology, 11th edition
Fundamentals of Biochemistry Cell Biology Cell Membrane Transport Easy MEDICAL Confidence: high