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Multiple Choice
Which is the best definition of binding energy regarding enzyme catalysis?
A
Energy absorbed by the enzyme upon its binding to the substrate.
B
Energy released by interactions between the enzyme's active site & substrate.
C
Energy released by the products of an enzyme.
D
The difference in energy between the substrates & products.
Verified step by step guidance
1
Understand the concept of binding energy in the context of enzyme catalysis. Binding energy refers to the energy released when an enzyme binds to its substrate at the active site.
Recognize that enzymes lower the activation energy of a reaction by stabilizing the transition state, which involves the release of binding energy.
Identify that the binding energy is crucial for the specificity and efficiency of enzyme-substrate interactions, as it helps in stabilizing the transition state.
Differentiate between the energy absorbed and energy released during enzyme-substrate binding. Binding energy is the energy released, not absorbed.
Conclude that the best definition of binding energy in enzyme catalysis is the energy released by interactions between the enzyme's active site and substrate, facilitating the conversion of substrate to product.