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Unformatted text preview: is reversed by insulin signaling, which inhibits GSK3 kinase, causing the activation of glycogen synthase. 4. What is the function of PFK2 enzyme? (4 points) 5. How the enolase reaction makes a low energy reactant to a high energy product? (4 points) Phosphoenol pyruvate (PEP) is a high energy product because its enol form is locked due to the phosphate group. Once phosphate group is donated, it tautomerizes to the keto form, which is more stable, making PEP a high energy compound....
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