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KEE1

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Movement definitions

Description

IGCSE Biology Diffusion etc.

Flashcards by Hellothereworld, updated more than 1 year ago

	Created by Hellothereworld almost 11 years ago

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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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