fermentation vs aerobic respiration

Question 1

both produce ___ATP by ______

Answer 1

2

substrate level phosphorylation

Question 2

what differentiates them

Answer 2

oxygen

• oxidation of pyruvate in the citric acid cycle
• Oxygen as last electron acceptor in ETC

Question 3

obligate anaerobes

Answer 3

only carry out fermentation/anaerobic respiration

-cannot survive when there is O2

Question 4

facultative anaerobes

Answer 4

after they make pyruvate, they can either
-make acetyl COA and continue oxidation in the citric acid cycle

or they can

-transfer electrons from NADH to make NAD+ (fermentation)