You observe a cell switch from performing cellular respirati

You observe a cell switch from performing cellular respiration to performing lactic acid fermentation. Why would a cell make this switch? because there isn\'t enough glucose available because there is too much carbon dioxide in the cell because the cell needs lactic acid to obtain the extra ATP from fermentation because there isn\'t enough oxygen for cellular respiration

Solution

because there isn\'t enough oxygen for cellular respiration

Explanation: In the absence of oxygen as the terminal electron acceptor the reduced coenzymes - NADH accumulate. Cell needs NAD+ to keep the glycolysis running. So the cell switches to lactic acid fermentation to regenerate NAD+.