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AP A Unit 9 Lesson 4
AP A Unit 9 Lesson 4 Key Terms
| Question | Answer |
|---|---|
| alcoholic fermentation | glycolysis followed by the reduction of pyruvate to ethyl alcohol, regenerating NAD+ and releasing carbon dioxide |
| facultative anaerobe | an organism that makes ATP by aerobic respiration if oxygen is present but that switches to anaerobic respiration or fermentation if oxygen is not present |
| fermentation | a catabolic process that makes a limited amount of ATP from glucose (or other organic molecules) without an electron transport chain and that produces a characteristic end product, such as ethyl alcohol or lactic acid |
| lactic acid fermentation | glycolysis followed by the reduction of pyruvate to lactate, regenerating NAD+ with no release of carbon dioxide |
| obligate anaerobe | an organism that carries out only fermentation or anaerobic respiration; such organisms cannot use oxygen and in fact may be poisoned by it |