Could you answer this question? Which of the following is NOT A feature of enzym

Question

Could you answer this question?

Which of the following is NOT A feature of enzymes?

1.They look the same before and after the chemical reaction

2.They can speed up any reaction

3,They can facilitate chemical reactions in either direction

4,They look the same before and after the chemical reaction

5.They lower the activation energy of the reaction

1.They look the same before and after the chemical reaction

2.They can speed up any reaction

3,They can facilitate chemical reactions in either direction

4,They look the same before and after the chemical reaction

5.They lower the activation energy of the reaction

Explanation / Answer

Ans; 2. They can speed up any reaction

Reason: All reactions does not require enzymatic activity.Those reactions that donot form product spontaneously require the aid of enzymes to accelerate the reaction.Hence enzyme cannot speed up any reaction.When we consider a reaction where we increase the reactants concentration in presence of an enzyme,its not necessary that enzyme must catalyse that reaction as enzymes are specific to specific reaction in forming specific products,eventhough they donot react readily.

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