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When gluconeogenesis is activated during fasting in liver, glycolysis slows. How does this happen? a. pyruvate kinase...

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Biology

When gluconeogenesis is activated during fasting in liver,glycolysis slows. How does this happen?

a. pyruvate kinase and pyruvate dehydrogenase are both inhibitedby phosphorylation in response to a decreased insulin/glucagonratio

b. PFK-2 is phosphorylated

c. acetyl CoA allosterically inhibits pyruvate dehydrogenase

d. acetyl CoA allosterically activates pyruvate carboxylase

e. all of the above

Answer & Explanation Solved by verified expert
3.9 Ratings (418 Votes)
Q1High glucagoninsulin ratio causes elevated cAMP and increasedlicveks of active protein kinase A Increased protein kinase Aactivity favours the phosphorylated form of the    See Answer
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