Summary Topic 4 Edexcel biology a level notes

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Summary Topic 4 Edexcel biology a level notes

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2022/2023

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This is topic 4.2 cell transport mechanisms notes in full detail! All done according to the specification points. I have included diagrams with annotations and colour coordinated key words to help. Definitions as well as explanations are included with everything in all exam boards included too.

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TOPIC 4 EXCHANGE TRANSPORT

4 2 Cell transport mechanisms
Cells have a membrane to regulatemovementofsubstance
in tout
g thecell
protect organelles inside

Cellsurfacemembrane QUANTITY
composed g lipids phospholipids cholesterol a lot
proteins quitea lot
Carbohydrates some

Model g membranestructure fluid mosaicmodel
t

sellmembranesformed
Xeludes
g a
all modern evidenceabout
membranes appearancethowmeybena
phospholipid bilayer fluid
contains
many proteins
gMagtf receptors enymes
FLUIDMOSAICMODEL
cell
www.eoain

e coatOr
g Y
Tifft ftp.q
t
glipidsolublet T carrierprotein
peg praggggy
FACILITATE
LDATP How
DIFFUSION
or roar and
Tyga 411 Thin high
watersolublemom
cell
philic

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Study: A level Biology
Uploaded on: September 12, 2023
Number of pages: 4
Written in: 2022/2023
Type: Summary

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