how does yeast produce both alcohol and CO2?

Subject: how does yeast produce both alcohol and CO2?

Date: Thu Aug 12 22:47:56 1999
Posted by mike
Grade level: 10-12 School: N/A
City: Edmonton State/Province: Alberta Country: Canada
Area of science: Biochemistry
ID: 934512476.Bc

Message:


why will the same yeast in a different situation make eather yeast or CO2,
such as in beer making. 
  Ie. you mix the  yeast in a carboy to ferment it. Then once it has 
stopped you mix in more yeast and sugar then bottle it to produce the 
carbanate it

 ( I have grade 12 chem, but i'm lacking in the bio. so please dont to go 
too indepth with the anser. I'm just a cuious person )

 thanks to who ever ansers.

Re: how does yeast produce both alcohol and CO2?

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