Anaerobic respiration
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6 Terms
Obligate anaerobes
PROKARYOTES
cannot survive with O2.
facilitative anaerobes
YEAST
synthesise ATP aerobically if O2 present but can switch to anaerobic
Obligate aerbobes
HUMANS
only synthesise ATP using O2
Why is O2 needed in electron chain?
electron chain will stop as there is a high concentration of e-= shallower gradient.
NADH cant be converted to NAD+ stopping krebs + link.
GLYCOLYSIS CAN STILL OCCUR.
lactate producing anaerobic respiration
CYTOPLASM
Pyruvate —> lactate (lactic acid) cramps.
NADH/NAD+
needs NADH and recycles NADH
Lactate: later used ATP and O2 to reform glucose in gluconeogenesis (oxygen debt)
Alcohol producing anaerobic respiration
YEAST
pyruvate —> ethanal —> ethanol
Co2 produced. h reduced
Note 
Flashcards (22)