What Are The Functions Of Metal Ions In Catalysis

Sunday July 31, 2022

What are the functions of metal ions in catalysis? Select all that apply. a.stabilization of negative charges b.increasing specificity of recognition c. activation of H20 for the nucleophilic attack d. polarization of the peptide bond e. increased binding energy What is the main difference in the lock-and-key and induced-fit models of enzyme-substrate binding? a. According to the lock-and-key model, the active site forms a shape complementary to the substrate only after the substrate has been bound. According to the induced-fit model, the active site is complementary in shape to the substrate. O b. According to the lock-and-key model, the only certain conformation of the active site is complementary to the substrate. According to the induced-fit model, several conformations of the active site are complementary to the substrate. OC. According to the lock-and-key model, the active site binds to the substrate to form a transition state, According to the induced-fit model, the active site binds to the substrate to form a final state. O d. According to the lock-and-key model, an enzyme increases a reaction by decreasing the activation energy. According to the induced-fit model, an enzyme increases a reaction by facilitating the formation of the transition state Oe. According to the lock-and-key model, the active site has a free structure. According to the induced-fit model, the active site has a rigid structure, -er


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