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Unformatted text preview: in their environment increases, it becomes more and more toxic to them. Beer and wine have a maximum alcohol concentration because a higher concentration will kill the yeast cells. Evolution of Cellular Respiration Early cells probably fermented organic molecules in the oceans. Today, nearly all organisms show some form of fermentation which indicates that it evolved early in evolutionary history. Evolution typically operates by building upon or adding to what is already there. Aerobic respiration appears to have been added to fermentation....
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This note was uploaded on 11/10/2011 for the course BIOLOGY bi 101 taught by Professor - during the Fall '10 term at Montgomery.
- Fall '10