The answer above is incorrect. The correct answer is James Watson accompanied by Francis Crick.
Answer: The products of pyruvate metabolism are lactate, ethanol and acetyl CoA
Explanation:
Lactate: Lactate is produced by anaerobic fermentation that takes place in the skeletal muscles in humans.
Ethanol: Ethanol is produced through fermentation process yeast and bacteria.
Acetyl CoA: Aerobic Oxidation of pyruvate give rise to acetyl CoA is which the starting molecule in the citric acid cycle.
You can tell if matter is conserved if the substance changes . If the substance changes then matter has been conserved .
The answer from my knowledge would be B.