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What happens with out yeast?

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Anonymous

16y ago
Updated: 8/17/2019

Yeast consumes sugar and expels gas. It is this gas that causes bread to rise. Yeast also consumes sugar and produces alcohol during fermentation. So, if you're trying to make wine and there is no yeast on the grapes, and you don't add any, there is no fermentation.

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Wiki User

16y ago

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