Question

a suspension of yeast cells is being grown under anaerobic conditions such that glucose is degraded to ethanol and carbon dioxide. adding an inhibitor of alcohol dehydrogenase to the yeast cell suspension results in rapid cell death. why?

Answer 1

Alcohol dehydrogenase to the yeast cell suspension affects speedy cell dying because NADH generated for the duration of glycolysis can not be recycled back to NAD+, as a result anaerobic ATP production through glycolysis can not be maintained.

A dehydrogenase is an enzyme belonging to the group of oxidoreductases that oxidizes a substrate by decreasing an electron acceptor, typically NAD⁺/NADP⁺ or a flavin coenzyme together with FAD or FMN.

Dehydrogenases are enzymes that catalyze discount reactions thru the switch of hydrogen ions (protons) from the substrate to an acceptor or co-enzyme.

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