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Anaerobic Respiration
What if there is not enough
oxygen to do aerobic respiration?
Some organisms, such as yeast and some
bacteria, do not require oxygen and can survive
on a less efficient way of getting energy
Other organisms that generally require oxygen
sometimes don’t have enough for all their cells
to do aerobic respiration so they can use a less
effiecent way of breaking down glucose which
keeps their electron carriers available for when
the cells get oxygen again.
Anaerobic Respiration
No Oxygen required.
Also called Fermentation.
2 types: alcoholic and lactic acid
Both start with glycolysis
Pyruvate and 2 ATP produced
No Krebs or electron transport chain.
Lactic Acid
Pyruvate lactic acid
Carried out by your muscles
when you’re exercising hard
and can’t get enough oxygen
fast enough (can’t do aerobic
Causes muscle cramps and
ethyl alcohol
Carried out by yeast and some
Used in brewing beer, making
wine, and baking bread and