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Lactic Acid Fermentation
Occurs in bacteria and muscle fibres that use a lot of ATP and are unable to keep up with demand (needs more oxygen then your body can supply)
Lactic acid fermentation steps
Lowers the pH inside the muscles
polar molecule that causes muscle fibres to swell due to hydration
water from blood enters muscle cells
after exercise, lactate is oxidized back to pyruvate by the liver, which then goes through krebs cycle and oxidative phosphorylation
Alchohol fermentation
ccurs in yeast cells
end products are Ethyl alchohol and carbon dioxide
used to create beer, bread, soy sauce
example: bread - CO2 allows for the bread to rise and Ethanol causes the sweet smell
 Anaerobic Respiration
reactions without oxygen