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GCSE Biology revision - foundation tier

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A powerpoint covering topics osmosis, diffusion, active transport, exchange substances for students studying GCSE biology (foundation tier)

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TUTORING SESSION 2
Biology – diffusion, osmosis, active transport exchanging substances

, First… recap!
Complete the 6 exam questions on what we did last week

, Diffusion Diffusion is the movement of p
from a HIGH to LOW concentra


Diffusion takes place in solution
gases

The difference in concentration
the CONCENTRATION GRADIEN

A larger concentration gradient
faster rate of diffusion.

You can also increase diffusion
increasing the temperature as t
give the particles more energy
Connected book
image
Cgp Books New GCSE Biology AQA Revision Guide - Foundation includes Online Edition, Videos & Quizzes
Publisher: Unknown ISBN: 9781789083248 Edition: Unknown

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GCSE
School year
200
Uploaded on
May 5, 2022
Number of pages
24
Written in
2021/2022
Type
Presentation
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Unknown
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Subjects

  • osmosis
  • diffusion
  • active transport
  • exchange substances
  • revision
  • gcse
  • foundation tier
  • biology

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