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Questions and Answers
Which molecule inhibits phosphofructokinase, a key enzyme in glycolysis?
Which molecule inhibits phosphofructokinase, a key enzyme in glycolysis?
- GTP
- ADP
- AMP
- ATP (correct)
Which enzyme is inhibited by AMP, and is a key enzyme in gluconeogenesis?
Which enzyme is inhibited by AMP, and is a key enzyme in gluconeogenesis?
- Phosphofructokinase
- Fructose-1,6-bisphosphatase (correct)
- Hexokinase
- Pyruvate kinase
What is the relationship between negative effectors of glycolysis and positive effectors of gluconeogenesis?
What is the relationship between negative effectors of glycolysis and positive effectors of gluconeogenesis?
- They are the same
- They have no relationship
- They are reciprocal (correct)
- They are completely different
What effect does glucagon have on plasma fatty acids?
What effect does glucagon have on plasma fatty acids?
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What effect does increased fatty acid oxidation in the liver have on gluconeogenesis?
What effect does increased fatty acid oxidation in the liver have on gluconeogenesis?
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What effect does glucagon have on pyruvate kinase?
What effect does glucagon have on pyruvate kinase?
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What is the mechanism of reciprocal allosteric regulation by adenine nucleotides?
What is the mechanism of reciprocal allosteric regulation by adenine nucleotides?
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