Chpt_9_Fermentation

Chpt_9_Fermentation - Fermentation: ATP production w/o...

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Fermentation: ATP production w/o Oxygen Anaerobic Respiration- without oxygen Glycolysis oxidizes glucose to two molecules of pyruvate o NAD + is the oxidizing agent o ATP generated by substrate-level phosphorilation Substrate-level phosphorilation occurs as long as there is NAD+ to accept electrons during the oxidation step of glycolysis. o NAD+ must be recycled from NADH o w/o this process all of the NAD+ in the cell would be used up In aerobic respiration NAD+ is recycled from NADH when the electrons are transferred to the ETC In anaerobic respiration the electrons are transferred from NADH to pyruvate, the
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acid or alcohol. Alcoholic Fermentation In alcohol fermentation, pyruvate is converted to ethanol in two steps. •First, pyruvate is converted to a two-carbon compound, acetaldehyde by the removal of CO2. •Second, acetaldehyde is reduced by NADH to ethanol. •Alcohol fermentation by yeast is used in
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This note was uploaded on 07/27/2011 for the course BSC 2 taught by Professor Oses during the Spring '11 term at Miami Dade College, Miami.

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Chpt_9_Fermentation - Fermentation: ATP production w/o...

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