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Glycolysis

Problems

Anaerobic Respiration: Homolactic Fermentation

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Problem : Under aerobic conditions, where is NAD reoxidized after it is converted to NADH in step 5 of glycolysis?

NAD is re-oxidized in the mitochondria under aerobic conditions.

Problem : What is the name of the enzyme responsible for transforming pyruvate into lactate? What is the name of this anaerobic process

Lactate dehydrogenase. Homolactic fermentation.

Problem : What are the products of alcoholic fermentation?

Carbon dioxide and ethanol.

Problem : Fill in the blanks with the appropriate choice. NAD is the __________ (oxidized/reduced) form of the molecule nicotinamide adenine dinucleotide. NADH is the __________ (oxidized/reduced) form of the same molecule.

Oxidized. Reduced.

Problem : Name the two enzymes involved in the alcoholic fermentation of pyruvate.

Pyruvate dehydrogenase and alcohol dehydrogenase.

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