Term
The nutrients used by bacteria are determined by genetic code. |
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An altered substrate can be an end product of metabolism. |
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Fermentation of the nutients to end products is usually a result of series of enzymatic reactions. |
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Carbohydrates such as glucose and lactulose cannot diffuse thruough the semipermeable membrane of the bacterial cell because their molecule size is too large. |
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A Durham tube is the same size as a culture table |
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Individual bacterial types have differing characteristics similar to the varying characteristics of human beings. |
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Catabolic reactions are usually energy producing. |
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Catabolic reactions usually result in an increase in molecular size of the substrate. |
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The endoenzymes of fermentation are secreted into the environment. |
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Term
The term substrate can be defined as the molecule that an enzyme is able to alter. |
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