Summary
Summary Topic 7 Anaerobic respiration
Edexcel Biology Topic 7 Anaerobic respiration, lactic acid, glycolysis
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Anaerobic respirationNo O2 ETC
-
, cant function ,
reduced electron carriers
accumulate
S.I units ↳ reoxidise reduced electron carriers -
reoxidise NADA
Lactic acid anaerobic respiration
↳ -NAD
( NADH + 1+
Pyruvate * Lactic acid
-
damage limitation
glycolysis can continue (2ATP)
-
-
build up is toxic
>
- lactic acid in muscle is taken to
he liver
↳ debt
oxygen
↳ to CO2tATP
fully oxidises get water +
lactic acid
Oxy gen
-
~
↑
mem
Oxygen ↑ debt
Requirement
Re St
Time
In muscles : Athe start of exercise -
before extra
oxygen can be supplied rely on creative phosphate
, in
ATP
muscle
fibres supplying energy to produce
,
before aerobic respiration takes over
again
Creatine Phosphate + ADP - Create +
ATP
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