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Biology AQA 3.1.3 Osmosis and Diffusion

evie.daines

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Diffusion

Description

This flash card deck outlines the main concepts of the process of diffusion. It would appeal to anyone studying intermediate level biology.

Flashcards by daniel.praecox, updated more than 1 year ago More Less

	Created by jill.examtime over 11 years ago

	Copied by daniel.praecox over 11 years ago

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Resource summary

Question	Answer
Diffusion	Spreading of molecules from an area of high concentration to an area of low concentration
Diffusion takes place along...	A concentration Gradient
Passive Diffusion	small molecules pass through the lipid bilayer of a cell membrane
Facilitated Diffusion	depends on carrier proteins
Fick's laws	diffusion flux is proportional to the negative gradient of concentrations
Brownian Motion	random walk of the diffusing particles
Facilitated Diffusion	Image: facilitated_diffusion.gif (image/gif)
Passive Diffusion	Image: Passive_Diffusion (image/jpg)

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