Question

Gracie squeezed some grapes and kept the juice in a vessel for five days at room temperature.

On the fifth day she found that the juice tasted sour and appeared frothy. What caused this change?

A. alcohol termination of the grape juice by anaerobic bacteria
B. lactic acid fermentation of the grape juice by anaerobic bacteria
C. alcoholic fermentation of the grape juice by aerobic bacteria

Answer 1

lactic acid fermentation of the grape juice by anaerobic bacteria

Step-by-step explanation:

Answer 2

"lactic acid fermentation of the grape juice by anaerobic bacteria" is one among the following choices given in the question that shows what caused this change. The correct option among all the options that are given in the question is the second option or option "B". I hope that the answer has helped you.