anaerobic respiration

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8 Terms

1
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what do plants and yeast produce in anaerobic respiration?

ethanol

2
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what do mammals produce in anaerobic respiration?

lactate

3
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what are the two stages of anaerobic respiration?

  1. glycolysis

  2. fermentation

4
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describe the process of glycolysis. (4)

  1. phosphorylation of glucose using ATP

  2. oxidation of triose phosphate to pyruvate

  3. net gain of 2 ATP

  4. NAD reduced

5
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describe fermentation in plants and yeast

1. pyruvate + NADH → ethanol + NAD + CO2
2. pyruvate loses 1 carbon in the form of carbon dioxide
3. pyruvate accepts H+ from reduced NAD, this forms ethanol

6
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describe fermentation in mammals

  1. pyruvate gains H+ from NADH

  2. NAD can return to be used in glycolysis

7
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does fermentation produce ATP?

no

8
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lactate can affect enzymes active site shape, why?

lactate is acidic so it will cause blood pH to drop