In alcoholic fermentation _ ATP Molecules are produced from one glucose molecule:
Correct answer: A. 2
- A. 2
- B. 18
- C. 32
- D. 36
Explanation
Option A is correct. In alcoholic fermentation, two ATP molecules are produced from one glucose molecule. This process occurs in the absence of oxygen and is utilized by yeast and certain microorganisms to convert glucose into ethanol and carbon dioxide. The steps of alcoholic fermentation include:Glycolysis: Glucose is metabolized into two molecules of pyruvate, generating two ATP and two NADH in the process.Pyruvate decarboxylation: Each pyruvate is converted into acetaldehyde, releasing one molecule of carbon dioxide.Alcohol dehydrogenase: Acetaldehyde is then transformed into ethanol, which regenerates NAD+ from NADH.Overall, the net production from one glucose molecule in alcoholic fermentation is two ATP molecules.Options B, C, and D are incorrect as they suggest ATP yields associated with aerobic respiration, which are not applicable in the anaerobic process of alcoholic fermentation.
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