Movement definitions

Description

IGCSE Biology Diffusion etc.
Hellothereworld
Flashcards by Hellothereworld, updated more than 1 year ago
Hellothereworld
Created by Hellothereworld almost 10 years ago
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1

Resource summary

Question Answer
OSMOSIS The net movement of water molecules across a semi-permeable membrane from a high concentration to a low concentration down a concentration gradient.
Diffusion The net movement of particles from a high concentration to a low down a concentration gradient.
Active Transport The movement of ions across a semi-permeable membrane from a low concentration to a high concentration against a concentration gradient using ATP.
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