Which of the following best describes lactic acid fermentation?

• A. A process that occurs in the mitochondria and requires oxygen
• B. A process that converts glucose into lactic acid in the absence of oxygen
• C. A process that produces ATP through the electron transport chain
• D. A process that converts glucose into ethanol and carbon dioxide

Answer: (B)

Verified step by step guidance

1. Understand that lactic acid fermentation is an anaerobic process, meaning it occurs in the absence of oxygen.
2. Recognize that this process takes place in the cytoplasm of cells, not in the mitochondria.
3. Identify that lactic acid fermentation involves the conversion of glucose into lactic acid.
4. Note that this process does not involve the electron transport chain, which is part of aerobic respiration.
5. Differentiate lactic acid fermentation from alcoholic fermentation, which produces ethanol and carbon dioxide.