The figures below show the two different types of anaerobic respiration: lactate

Question

The figures below show the two different types of anaerobic respiration: lactate fermentation (left) and alcoholic fermentation (right). Read the descriptions in the table that follows, and then select whether each statement describes lactate fermentation, alcoholic fermentation, or both. Check all that apply Glycolysis Generates two net ATP Generates lactate as an end by-product Generates two Co2 Generates pyruvate at the end of glycolysis Anaerobic digestion is a biological process that can be used to provide an altemative source of energy and reduce dependence on fossil fuels. Anaerobic digestion occurs when anaerobic bacteria and other microorganisms decompose (break down) organic material and release gases rich in methane and carbon dioxide. These gases are called biogas. Biogas can be used as fuel in electrical power plants or burned for heat. . Biogas used for fuel Digested organic Based on this information, which type of fermentation do you suspect anaerobic digestion microorganisms use? O Lactate fermentation O Alcoholic fermentation Cengage Learning

Explanation / Answer

1.lactate fermentation and alcoholic fermentation- both of them generates 2 net ATP

2.only lactate fermentation produces lactate as end product

3. only alcoholic fermentation produces 2 molecules of CO2.

4. lactate fermentation and alcoholic fermentation- both of them produces pyruvate at the end of glycolysis.

5. alcoholic fermentaion.

because it produces CO2 and alcohol. This alcohol can be used by anaerobic methanogens to produce methane in an anaerobic digester.

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