4th December 2019


What is the main difference between simple diffusion and facilitated diffusion?

In facilitated diffusion, molecules only move with the aid of a protein in the membrane. Simple diffusion is passive but facilitated diffusion is an active process that uses energy. Simple diffusion requires molecules to move through special doorways in the cell membrane.

Considering this, how are simple diffusion and facilitated diffusion different?

Simple diffusion does not require energy: facilitated diffusion requires a source of ATP. Simple diffusion can only move material in the direction of a concentration gradient; facilitated diffusion moves materials with and against a concentration gradient.

What is filtration in anatomy and physiology?

noun, plural: filtrations. (1) The movement of water and solutes across the cell membrane due to hydrostatic pressure from the cardiovascular system. (2) The process of separating suspended particles from the fluid through a porous material in which the fluid can pass while the suspended particles are retained.
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