Question

Which of the following does not describe enzymes?

Answer 1

The statement 'enzymes work by raising the energy of activation' is NOT true about the enzymatic activity. These proteins lower this energy.

Enzymes and activation energy

Enzymes are proteins capable of catalyzing specific chemical reactions in a given medium.

Enzymes work by lowering (instead of increasing) the activation energy of a chemical reaction.

Enzymes help to convert one or more reactants into specific products of the reaction that they catalyze.

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Answer 2

Enzymes work by raising the energy of activation (Option A)

This is not true and does not describe enzyme

This is not true because enzymes are biochemical catalysts which helps to lower the activation energy of chemical reactions reactions. The lower the activation energy for a reaction, the faster the rate of reaction

What are enzymes?

Enzymes are biochemical substances which act as a catalyst to speed up chemical reactions

So therefore, enzymes speed up ( catalyze ) chemical reactions reactions by lowering its activation energy.

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