Question

Movement of ions molecules against electrochemical gradient is called ______________.

• A. Pinocytosis
• B. Diffusion
• C. Active transport
• D. Brownian movement

Answer 1

The correct option is C Active transport

C. Active transport

EXPLANATION: A cell must use energy, when the movement of ions are against electrochemical gradient. This movement is called active transport. Active transport mechanisms do just this, expending energy to maintain the right concentrations of ions and molecules in living cells.