Question

Ubder what condition cyclic electron transport takes place

Answer 1

DURING the entry of glucose into the human red cell there is an induced outward transport of radioglucose against its concentration gradient1. Similarly in the rabbit erythroeyte the entry of glucose induces an outward transport of xylose or galactose against a concentration gradient2. It is the purpose of this communication to show that this phenomenon is directly related to the ratio of the inward and outward fluxes across the membrane and to give a reversible thermodynamic derivation of the Ussing3 criterion.


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