Question

I. MULTIPLE CHOICE QUESTIONS
Tick (✓) the correct answer.
1. In human muscles, deficiency of oxygen results in breakdown of pyruvate into
(a) ethanol and carbon dioxide
(b) carbon dioxide only
(c) lactic acid only
(d) lactic acid and carbon dioxide​

Answer 1

Answer:

c. Lactic acid only

Glucose> pyruvate >(lack of oxygen/in our muscle cells) Lactic acid +2ATP...

Answer 2

Answer:

C)lactic acid and co2

Explanation:

pyruvate always breaks into lactic acid and carbondioxide inside muscle during hard working therefore we feel tired