OCR Biology A-Level Respiration Summary

Mitochondria :

Glycolysis Cen
cytoplasm
· :




·

Link Reaction B krebs
cycle
:
Matrix

Oxidative Across
phosphorylation the inner membrane
·
:




Fermentation

Glycolysis
:




~
Anaerobic Lactate +

Ethanol +
CO2

Glucose sprycrate

zerdis transport
link Reaction Krebs Cycle electron chain
2H
A
Acetyl Coenzyme 2H+902 Oxygen
> water




Glycolysis Anaerobic process
:




Glucose
1 .

Phosphorylation 2x ATP

nexse
X

P ↳ bisphosphate +
2xADP


2 .
Lysis
&

P P 2x triose phosphate
.
3 Phosphorylation P ,
L
P .

-


&
N

P P P P 2 x triose bisphosphate
2 x ADP NAD 2 x ADP NAD
4 .



Dehydrogenation >NADH >NADH
and ATP 2x ATP L 2x ATP L



formation & &

2 x
pyruvate


Link Reaction Oxidative :



decarboxylation
pyruvate
NAD


CO2 < >NADH
W


+

Coenzyme A Acetyl

&


Acety, Coenzyme A