Question

3. Yeast undergoes
respiration.
4. The final products obtained in the anaerobic respiration are​

Answer 1

Answer:

3. Yeasts can survive in the presence and absence of oxygen . In the presence of oxygen, yeast undergo aerobic respiration and convert carbohydrates (sugar source) into carbon dioxide and water. In the absence of oxygen, yeasts undergo fermentation and convert carbohydrates into carbon dioxide and alcohol.

4. The end products of anaerobic respiration are Lactic acid or ethanol and ATP molecules. Anaerobic respiration takes place in the absence of oxygen and is seen in lower animals.

Explanation:

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Answer 2

Answer:

ethanol,carbon dioxide and a small amount of energy