How is yeast used to make beer/wine?

beer DRINK food spirits Used Wine yeast
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How is yeast used to make beer/wine?

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Yeast, a unicellular organism, is used in fermentation under controlled conditions in order to produce desired results. For beer and wine that desired result is ethyl alcohol, natural chemical flavors and aromatics, and to alter the product to become relatively biologically stable. For your introduction and background portion of the presentation: http://www.umm.edu/altmed/articles/brewe… http://en.wikipedia.org/wiki/Yeast (Wikipedia is an approved secondary source of information in many schools and colleges. For primary sources follow the references and seek further scholarly work.) http://www.diet-and-health.net/Supplemen… http://organizedwisdom.com/Cholesterol_a…

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