Illustrate the concept of activation energy in the mechanism of enzyme action
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Induced-Fit Theory. Each enzyme has an active site where reactant molecules bind. The molecule that binds to the active site is called a substrate. The enzyme induces a change in the molecule which lowers the activation energy of the reaction
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Enzymes contain pocket-like structure known as active site, into which the substrate molecule fits. The substrate molecule forms weak bonds with the active site of the enzyme and catalyses the reaction. The substrate ‘S’ bind to the enzyme at its ‘active site’ within a given cleft or pocket. E stands for enzyme. When substrate binds to enzyme, it forms enzyme- substrate complex (ES). This complex formation is a transient phenomenon. When the process of bond breaking or making is completed, the product will be released from the active site. After this, new substrate molecule will bound to active site to form product.
The catalyst lowers the activation energy of the reaction, as it acts on the transition state and binds with the transition state. The energy released in the binding of catalyst with transition state, supplies a part of activation energy and thus, reduces the overall activation energy required for a particular reaction.
hope ut hlpz u
♡♡
♥♥♥
Enzymes contain pocket-like structure known as active site, into which the substrate molecule fits. The substrate molecule forms weak bonds with the active site of the enzyme and catalyses the reaction. The substrate ‘S’ bind to the enzyme at its ‘active site’ within a given cleft or pocket. E stands for enzyme. When substrate binds to enzyme, it forms enzyme- substrate complex (ES). This complex formation is a transient phenomenon. When the process of bond breaking or making is completed, the product will be released from the active site. After this, new substrate molecule will bound to active site to form product.
The catalyst lowers the activation energy of the reaction, as it acts on the transition state and binds with the transition state. The energy released in the binding of catalyst with transition state, supplies a part of activation energy and thus, reduces the overall activation energy required for a particular reaction.
hope ut hlpz u
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