BYS201_Enzymes - 03/27/10 BYS201 1 03/27/10 BYS201 2 How do...

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03/27/10 BYS201 1
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03/27/10 BYS201 2
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03/27/10 BYS201 3 How do enzymes differ from inorganic catalysts? A. Much more effective than non-enzyme catalysts; do it under very mild temperature & pH conditions Non-enzyme catalysts speed up reactions 100 - 1000 times, while enzymes often speed reactions 10 8 - 10 12 times; accomplish in 1 sec what would normally take 3 – 300,000 years B. Most are highly specific in reactants (substrates) they bind & reaction they catalyze Such specificity is essential for maintenance of order needed to sustain life No side reactions or unwanted products that would gum up the works Unlike other catalysts, can be regulated to meet particular cellular needs at particular time
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03/27/10 BYS201 4 Enzymes run only reactions that are thermodynamically favorable Then why do we need enzymes?
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BYS201 5 Enzymes Effect rate of reaction How do enzymes increase rate of reaction ? Lower activation energy.
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BYS201_Enzymes - 03/27/10 BYS201 1 03/27/10 BYS201 2 How do...

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