Question

Complete the following reaction in yeast cells.

Glucose ⇢?⇢ In the absence of oxygen⇢ ? +?

Answer 1

1. The breakdown of glucose in the absence of oxygen is called anaerobic respiration.
2. The anaerobic respiration in yeast produces ethanol and carbon dioxide (without oxygen) from pyruvate.
3. The breakdown of glucose provides energy to the yeast cells.

Glucose ⇢Pyruvate⇢ In the absence of oxygen⇢ Ethanol +CO₂