Question

how can yeast survive in the absence of air​

Answer 1

Answer:

Yeasts can survive in the presence and absence of oxygen (1). 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

Explanation:

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Answer 2

Yeasts can survive in the presence and absence of oxygen (1). 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

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