Ken Engle SANDBOX: Difference between revisions
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Pyruvate Decarboxylase | |||
Pyruvate, NADH, and ATP are the products of glycolysis. Under anaerobic conditions, pyruvate undergoes fermentation to oxidize NADH to NAD+, so glycolysis can continue. In alcoholic fermentation, which occurs in yeast, this is a two-step process. The first involves the Enzyme pyruvate decarboxylase (PDH). The pyruvate is decarboxylated to an acetaldehyde. This acetaldehyde then undergoes a reaction catalyzed by alcohol dehydrogenase to produce ethanol; this is the step in which the NAD+ is restored <ref>Garrett, R.H., & Grisham, C.M. (2007). Biochemistry. Belmont, CA: Thompson.</ref>. | Pyruvate, NADH, and ATP are the products of glycolysis. Under anaerobic conditions, pyruvate undergoes fermentation to oxidize NADH to NAD+, so glycolysis can continue. In alcoholic fermentation, which occurs in yeast, this is a two-step process. The first involves the Enzyme pyruvate decarboxylase (PDH). The pyruvate is decarboxylated to an acetaldehyde. This acetaldehyde then undergoes a reaction catalyzed by alcohol dehydrogenase to produce ethanol; this is the step in which the NAD+ is restored <ref>Garrett, R.H., & Grisham, C.M. (2007). Biochemistry. Belmont, CA: Thompson.</ref>. | ||