When glucose is converted to ethanol by yeast (as in the production of beer) how much of the chemical energy that was originally stored in glucose still remains in the end product, ethanol, that is produced?

Question

Lydia Zhang

Biology

30 April, 17:10

When glucose is converted to ethanol by yeast (as in the production of beer) how much of the chemical energy that was originally stored in glucose still remains in the end product, ethanol, that is produced?

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Answers (1)

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Araceli Kramer · Answer 1

92%

Explanation:

When glucose is converted to ethanol by yeast, one mole of glucose is converted into two moles of ethanol and two moles of carbon dioxide,

and this process produce two moles of ATP.

C6H12O6 → 2 C2H5OH + 2 CO2

When glucose is converted to ethanol by yeast (as in the production of beer) 92% of the chemical energy that was originally stored in glucose still remains in the end product, ethanol, that is produced.