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Questions and Answers
Which process involves the conversion of pyruvate into ethanol and carbon dioxide?
Which process involves the conversion of pyruvate into ethanol and carbon dioxide?
- Lactate fermentation
- Branched fermentation pathways
- Alcohol fermentation (correct)
- Fermentative nitrate reduction
What is the primary fermentation pathway in many organisms, including yeasts and some bacteria?
What is the primary fermentation pathway in many organisms, including yeasts and some bacteria?
- Linear fermentation pathways
- Fermentative nitrate reduction
- Lactate fermentation
- Alcohol fermentation (correct)
Which phenomenon is observed in yeast cells where the rate of fermentation decreases in the presence of oxygen?
Which phenomenon is observed in yeast cells where the rate of fermentation decreases in the presence of oxygen?
- Branched fermentation pathways
- Pasteur Effect (correct)
- Fermentative nitrate reduction
- Lactate fermentation
Which fermentation pathway produces only lactic acid from pyruvate?
Which fermentation pathway produces only lactic acid from pyruvate?
What is the process where nitrate is used as an alternative electron acceptor in fermentation?
What is the process where nitrate is used as an alternative electron acceptor in fermentation?
Which fermentation pathway involves the conversion of pyruvate into lactic acid?
Which fermentation pathway involves the conversion of pyruvate into lactic acid?
What is the metabolic pathway that occurs in the absence of oxygen and involves the incomplete oxidation of organic molecules?
What is the metabolic pathway that occurs in the absence of oxygen and involves the incomplete oxidation of organic molecules?
Which fermentation pathway involves the conversion of a single substrate into multiple end products?
Which fermentation pathway involves the conversion of a single substrate into multiple end products?
What is the process by which pyruvate is converted into lactic acid and other end products like acetic acid, ethanol, and carbon dioxide?
What is the process by which pyruvate is converted into lactic acid and other end products like acetic acid, ethanol, and carbon dioxide?
Which process is thought to play a role in energy production and metabolic regulation under anaerobic conditions?
Which process is thought to play a role in energy production and metabolic regulation under anaerobic conditions?
Which process involves the shift from fermentation to aerobic respiration when oxygen is available?
Which process involves the shift from fermentation to aerobic respiration when oxygen is available?
What is the process where nitrate is used as an alternative electron acceptor in fermentation?
What is the process where nitrate is used as an alternative electron acceptor in fermentation?
Which enzyme is involved in the reduction of nitrate to nitrite in nitrate/nitrite respiration?
Which enzyme is involved in the reduction of nitrate to nitrite in nitrate/nitrite respiration?
What is the final product of dissimilatory nitrate reduction (denitrification)?
What is the final product of dissimilatory nitrate reduction (denitrification)?
Which electron acceptor is NOT used in anaerobic respiration?
Which electron acceptor is NOT used in anaerobic respiration?
What is the primary role of denitrification in the nitrogen cycle?
What is the primary role of denitrification in the nitrogen cycle?
Which microorganisms are involved in dissimilatory nitrate reduction (denitrification)?
Which microorganisms are involved in dissimilatory nitrate reduction (denitrification)?
What is the end product of nitrate/ammonium respiration?
What is the end product of nitrate/ammonium respiration?
Which form of respiration involves the reduction of nitrate to ammonia?
Which form of respiration involves the reduction of nitrate to ammonia?
What is the alternative electron acceptor used in anaerobic respiration when oxygen is absent?
What is the alternative electron acceptor used in anaerobic respiration when oxygen is absent?
Which enzyme is NOT involved in nitrate/nitrite respiration?
Which enzyme is NOT involved in nitrate/nitrite respiration?
What is the primary difference between anaerobic and aerobic respiration?
What is the primary difference between anaerobic and aerobic respiration?
Which process involves the reduction of nitrite to nitrogen gas?
Which process involves the reduction of nitrite to nitrogen gas?
What is the metabolic process that occurs in the absence of oxygen and involves the partial oxidation of organic molecules to produce ATP?
What is the metabolic process that occurs in the absence of oxygen and involves the partial oxidation of organic molecules to produce ATP?
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