Yeast - Need Help - quick question

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Yeast - Need Help - quick question

Postby darin88 » Sat Jan 16, 2010 2:55 pm

What chemical in sugar does yeast get it's energy from ??
darin88
 
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Joined: Sat Jan 16, 2010 2:42 pm
Occupation: my dad is in banking
Project Question: yeast , what chamical in sugar does yeast get it's energy from ?
i am working on the science fair project where i bake break w/sugar and sugar substitutes .
Project Due Date: tuesday
Project Status: I am conducting my research

Re: Yeast - Need Help - quick question

Postby barretttomlinson » Sat Jan 16, 2010 5:27 pm

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Re: Yeast - Need Help - quick question

Postby time_traveler » Sun Jan 17, 2010 9:11 am

Darin,

I agree with Barrett. Yeast are almost like humans in the respect that in the presence of oxygen, they break down sugar molecules to create energy. Without getting too complicated, it is the process of breaking down the sugar and releasing energy from its intramolecular bonds that creates the energy. It is not coming from a specific compound within the sugar. Without oxygen, yeast can still metabolize sugar, but the byproducts are water and ethanol instead of water and carbon dioxide. This process is called fermentation and is used to make beer, alcohol, etc.

Please check out Barrett's links as they are very helpful. Here are some other sites you can look at:

http://www.newton.dep.anl.gov/askasci/m ... e00195.htm
http://en.wikipedia.org/wiki/Cellular_respiration

Hope this helps,

Manjinder
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Re: Yeast - Need Help - quick question

Postby darin88 » Sun Jan 17, 2010 12:57 pm

You guys ROCK ! Thank you !!!
Hannah :-)
darin88
 
Posts: 3
Joined: Sat Jan 16, 2010 2:42 pm
Occupation: my dad is in banking
Project Question: yeast , what chamical in sugar does yeast get it's energy from ?
i am working on the science fair project where i bake break w/sugar and sugar substitutes .
Project Due Date: tuesday
Project Status: I am conducting my research

Re: Yeast - Need Help - quick question

Postby darin88 » Sun Jan 17, 2010 12:57 pm

or should I say , "Sweet" !
darin88
 
Posts: 3
Joined: Sat Jan 16, 2010 2:42 pm
Occupation: my dad is in banking
Project Question: yeast , what chamical in sugar does yeast get it's energy from ?
i am working on the science fair project where i bake break w/sugar and sugar substitutes .
Project Due Date: tuesday
Project Status: I am conducting my research


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