Multiple choice

When there is lack of oxygen in human muscle cells, the pyruvate is converted into a 3 carbon molecule, which causes cramps during sudden activity of muscle. The molecule is _________.

  1. glucose

  2. creatinine

  3. acetic acid

  4. lactic acid

  5. aceto acetic acid

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Pyruvic acid forms lactic acid in the absence of oxygen in muscles.