fate of pyruvate

Question 1

Fermentation (no oxygen present): Explain why regeneration is crucial to fermentations.

Question 2

Pyruvate dehydrogenase complex (PDC):

Answer 2

Mitochondrial matrix (oxygen is present)
Makes acetyl-CoA to go in Krebs

Question 3

fates of pyruvate produced by glycolisis

Answer 3

anaerobic (lactic acid fermentation)
aerobic oxidation
anaerobic (alcoholic fermentation)