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Home/ Questions/Q 171631
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Satish dabas
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Satish dabas
Asked: December 1, 20212021-12-01T11:08:24+00:00 2021-12-01T11:08:24+00:00In: Class 10 Science

The correct sequence of anaerobic reactions in yeast is:

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Poll Results

30%[A] Glucose (cytoplasm)→ Pyruvate (mitochondria)→ Ethanol + Carbon dioxide ( 3 voters )
0%[B] Glucose (cytoplasm)→ Pyruvate (cytoplasm)→ Lactic acid
10%[C] Glucose (cytoplasm)→ Pyruvate (mitochondria)→ Lactic acid ( 1 voter )
60%[D] Glucose (cytoplasm)→ Pyruvate (cytoplasm)→ Ethanol + Carbon dioxide ( 6 voters )
Based On 10 Votes

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Yeast is a unicellular eukaryote which carries out ethanol fermentation. In the first phase, glucose is converted into pyruvate (glycolysis) in the cytoplasm of the cell & produce ethanol and carbon dioxide in the second phase.
Due to limited oxygen availability, pyruvate remains in cytoplasm where pyruvate decarboxylase and alcohol dehydrogenase enzymes.

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    1. Shreya Bala
      2021-12-01T11:30:56+00:00Added an answer on December 1, 2021 at 11:30 am

      [D] Glucose (cytoplasm)→ Pyruvate (cytoplasm)→ Ethanol + Carbon dioxide

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