In one normal cycle of the pentose phosphate pathway, the enzyme transaldolase is used twice and the enzyme transketolase is used once.

Question

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In one normal cycle of the pentose phosphate pathway, the enzyme transketolase is used twice (in the reactions converting a ketose and an aldose into another ketose and another aldose) and the enzyme transaldolase is used once (in the reaction transferring a three-carbon unit from a ketose to an aldose).

In One Normal Cycle of the Pentose Phosphate Pathway, the Enzyme