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Questions and Answers
What is the net energy yield from the conversion of one glucose molecule to two pyruvate molecules in glycolysis?
What is the net energy yield from the conversion of one glucose molecule to two pyruvate molecules in glycolysis?
- 30.5 kJ/mol
- 147.4 kJ/mol
- 36.7 kJ/mol
- 73.4 kJ/mol (correct)
What is the role of thiaminepyrophosphate (TPP) in alcoholic fermentation?
What is the role of thiaminepyrophosphate (TPP) in alcoholic fermentation?
- Cofactor for alcohol dehydrogenase
- Cofactor for pyruvate decarboxylase (correct)
- Cofactor for pyruvate kinase
- Cofactor for lactate dehydrogenase
Which enzyme catalyzes the conversion of pyruvate to lactate in anaerobic conditions?
Which enzyme catalyzes the conversion of pyruvate to lactate in anaerobic conditions?
- Alcohol dehydrogenase
- Lactate dehydrogenase (correct)
- Pyruvate kinase
- Pyruvate decarboxylase
Which control point in glycolysis is associated with a -30.5 kJ/mol decrease in free energy?
Which control point in glycolysis is associated with a -30.5 kJ/mol decrease in free energy?
What is the subunit composition of lactate dehydrogenase in heart muscle?
What is the subunit composition of lactate dehydrogenase in heart muscle?
How many ATP molecules are produced per glucose molecule in glycolysis?
How many ATP molecules are produced per glucose molecule in glycolysis?
What is the purpose of the reduction of pyruvate to lactate in anaerobic conditions?
What is the purpose of the reduction of pyruvate to lactate in anaerobic conditions?
Which reaction in glycolysis has a particularly large decrease in free energy?
Which reaction in glycolysis has a particularly large decrease in free energy?
What is the function of pyruvate kinase in glycolysis?
What is the function of pyruvate kinase in glycolysis?
Which reaction is associated with a decrease in free energy of -30.5 kJ/mol?
Which reaction is associated with a decrease in free energy of -30.5 kJ/mol?
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