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Biology 18 Online
OpenStudy (anonymous):

Gracie squeezed some grapes and kept the juice in a vessel for 5 days at room temperature. On the fifth day she found that the juice tasted sour and appeared frothy. What caused this change?

OpenStudy (blues):

Fermentation uses sugar and produces acid. And grape juice is full both of sugar and bacteria...

OpenStudy (anonymous):

thank you

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