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Some friends are trying to make wine in their basement. They've added yeast to a sweet grape juice mixture and have allowed the yeast to grow. After several days they find the sugar levels in the grape juice have dropped, but there's no alcohol in the mixture. What is the most likely explination?
The mixture needs less oxygen; yeast only produce alcohol in the absence of oxygen T/F

Respuesta :

eyitbay

Answer:

True.

Basically   at normal  atmospheric concentration of oxygen, the  mechanism  and processes of fermentation   are stopped  by the presence of oxygen Yeast does not  ferment  sugar  to produce alcohol in presence of atmospheric oxygen.

Therefore,  since these individuals conducted the simple fermentation process in the basement of  normal atmospheric concentration of oxygen; the process will not progress due to inhibition of yeast  functions  by atmospheric  oxygen concentration.

Explanation:

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