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A-Level Biology- Respiration Summary

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17-07-2023

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2022/2023

A succinct summary of both aerobic and anaerobic respiration for A-level biology students across all exam boards!

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Study Level: A/AS Level
Examinator: PEARSON (PEARSON)
Subject: Unknown
Course: Unit 5 - Energy, Exercise and Coordination

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Uploaded on: July 17, 2023
Number of pages: 4
Written in: 2022/2023
Type: Summary

Subjects

biology
pearson edexcel
edexcel
respiration
aerobic respiration
anaerobic respiration
a level biology
a level

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AEROBIC RESPIRATION
Link reactiont
Glycolysis ->Kreb's cycle -> oxidative phosphorylation
(chemiosmosis)

GLYCOLYSIS (isstage of aerobictanaerobic -
no 02 Occurs In CYTOPLASM

Glucose (GC) 4ATP produced but2
2 ATP broken down so net
gain
of 2 ATP

2ADP+EDiR2xtriose phosphate
->
V
PHOSPHORYLATION
(39)
4ADP 4P; 2NAD
2Ht
G
+

2
->

TP OXIDISED
2VNAD (used in oxidative
4ATP phosphorylation)
2x Pyruvate (3C)
->
matrix
into mitochondria for link reaction
go

Link Reaction
occurstochandedacre) (yars)
Pyruvate (3C)
CO2 (pyruvate is decarboxylated)
↓AtDNA
->

A
So ...
for each (6Hi0G:
(2t

acetate 2 CO2 released
·

coenzyme
(COA) · 2
acetyl COAmade - Krebs

COA
·
2UNAD -> oxidative phosphorylation
acetyl

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A-Level Biology- Respiration Summary

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