The end product in anaerobic respiration is:

Correct answer: D. Both A and B

  • A. Ethanol and Carbon dioxide
  • B. Lactate
  • C. Pyruvate
  • D. Both A and B

Explanation

The end products of anaerobic respiration depend on the specific type of anaerobic process involved. There are two main types of anaerobic respiration: lactic acid fermentation and alcoholic fermentation. In lactic acid fermentation, the end product is lactic acid.This process occurs in various microorganisms and in muscle cells during strenuous exercise when oxygen is not available in sufficient amounts to support aerobic respiration. The overall reaction is:Glucose → 2 Lactic Acid + Energy (in the form of ATP) In alcoholic fermentation, the end products are ethanol and carbon dioxide. This process is commonly carried out by yeast and some bacteria in the absence of oxygen.The overall reaction is:Glucose → 2 Ethanol + 2 Carbon Dioxide + Energy (in the form of ATP).

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Cellular respiration explains how cells release energy from glucose through glycolysis, the link reaction, Krebs cycle and electron transport chain. It includes ATP production, substrate-level and oxidative phosphorylation, aerobic versus anaerobic respiration, and the roles of mitochondria, oxygen and fermentation in energy transfer.

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