What are the effects of lactic acid fermentation in muscle cells during intense exercise?

• A. Lactic acid fermentation in muscle cells leads to the production of glucose, which can cause muscle soreness.
• B. Lactic acid fermentation in muscle cells leads to the production of ATP, which can cause muscle soreness.
• C. Lactic acid fermentation in muscle cells leads to the production of ethanol, which can cause muscle soreness.
• D. Lactic acid fermentation in muscle cells leads to the production of lactic acid, which can cause muscle soreness.

Answer: (D)