Tamilnadu BoardEnglish MediumSTD 11BIO BOTANYRespiration2 Marks
Question
Explain the term alcoholic fermentation.
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Answer
The cells of roots in water logged soil respire by alcoholic fermentation because of lack of oxygen by converting pyruvic acid into ethyl alcohol and $CO _2$. Many species of yeast (Saccharomyces) also respire anaerobically. This process takes place in two steps:
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