Q. What is required for the transport of substances through a membrane from a region of lower concentration to higher concentration?
A) Input of energy
B) Output of energy
C) Facilitated diffusion
D) Nothing is required
Explanation
Transport of substances through membrane from region of higher concentration to lower concentration needs energy and transport is called active transport
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.