Chapter 6-1 Slide

Chapter 6-1 Slide - BIO 205 Chapter 6, Part 1 Metabolism of...

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Chapter 6, Part 1 BIO 205
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Metabolism of Prokaryotic Cells
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Enzymes act on substrates Enzyme activity is highly specific Enzymes are not changed by the reactions, and can be reused Enzymes increase the probability that chemical reactions will occur Enzymes Catalyze All Cellular Reactions Enzymes in Metabolism
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Substrates bind to the enzyme at the active site, which is specific to the substrate Enzymes align substrate molecules in such a way that a reaction is energetically favorable Enzymes Act through Enzyme-Substrate Complexes
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Enzymes can be made entirely of protein or have a complementing substance, such as: a metal ion (cofactor) an organic molecule (coenzyme) Enzymes weaken chemical bonds in the substrate Enzymes lower the activation energy so a reaction is more likely to occur.
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The enzyme surface contains the active site. The enzyme is a rigid three-dimensional body. Lock-and-key model of enzyme mechanism.
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Chapter 6-1 Slide - BIO 205 Chapter 6, Part 1 Metabolism of...

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