Question 7
RespirationDuring anaerobic respiration in skeletal muscles, pyruvic acid is
- A.reduced to lactic acid
- B.oxidised to ethanol
- C.oxidised to lactic acid
- D.reduced to water
Show the answer and explanation
Answer: A (reduced to lactic acid)
Explanation
Without enough oxygen, muscle cells add hydrogen to pyruvic acid (a reduction), turning it into lactic acid.