otter
Senior Member
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- Jan 31, 2010
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In the preparatory stages of glycolysis. Glucuse to G6P, the G6P to F6P (reversible and hence can be regulated). Fructose enters the reaction at this stage.
The next reaction is F6P to F1,6PP, which is irreversible. Hence fructose bypasses the regulatory mechanism in the first two reactions.
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haha googled, eh ?