Solution: A hypothetical free energy curve for an enzymeatic reaction is shown. Curve A corresponds to uncatalyzed reaction and curve Bc orresponds to the catalyzed reaction. What can you say about this enzymatic process?A. This enzyme does not alter the rate of chemical reaction.B. This enzyme reduces the rate of the chemical reaction.C. This enzyme binds the substrate strongly.D. both (A) and (C)E. both (B) and (C)

Problem

A hypothetical free energy curve for an enzymeatic reaction is shown. Curve A corresponds to uncatalyzed reaction and curve Bc orresponds to the catalyzed reaction. What can you say about this enzymatic process?

A. This enzyme does not alter the rate of chemical reaction.

B. This enzyme reduces the rate of the chemical reaction.

C. This enzyme binds the substrate strongly.

D. both (A) and (C)

E. both (B) and (C)

Solution

Enzymes are known as biological catalysts. These are molecules that alter the speed (kinetics) of reactions without actually affecting equilibrium concentrations (thermodynamics) of reaction components. Being a catalyst, it is also not consumed in the reaction and is replenished after the process.

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