What kind of interaction is NOT involved in the binding of a substrate to a norm

Question

What kind of interaction is NOT involved in the binding of a substrate to a normally functioning enzyme? a. H bonds b. ionic bonds c. a transient covalent bond d. a permanent covalent bond e. hydrophobic interactions (Which one is FALSE) The transition state during an enzymatic reaction a. Eliminates the energy of activation (E_A) for a specific chemical reaction b. Refers to chemical changes in the substrate c. Results from the binding of substrate and enzyme d. Is formed within the catalytic site e. Is transitory (short-lived)

Explanation / Answer

11. d (a permanent covalent bond)

In a reaction, active site is the part of the enzyme where a substrate binds. This binding forms an enzyme-substrate complex and once the product is formed, the enzyme returns to its original state. There these bonds are temporary, and so permanent covalent bonds are not formed. These are bonds are usually ionic bonds or hydrogen bonds or temporary covalent bonds or hydrophobic interactions.

12. a (Eliminates the energy of activation for a chemical reaction)

Activation energy is the minimum energy that is required for a chemical reaction to occur. In a chemical reaction, the transition state is a particular state where there is neither a substrate nor a product and it corresponds to the highest energy state.

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