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Biology 21 Online
OpenStudy (keana):

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? a. lactic acid fermentation of grape juice by anaerobic bacteria b.alcohol fermentation of grape juice by anaerobic bacteria c. alcohol fermentation of grape juice by aerobic bacteria

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