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Assertion : Enzymes lower the activation energy. Reason : A substrate molecule can be acted upon by a particular enzyme.A. If both the asseration and the reason are true and the reason is a correct explanation of the assertionB. If both the assertion and rreason are true but the reason not a correct explanation of the assertionC. If the assertion is true but the reason is falseD. If the assertion is false but reason is true |
Answer» Correct Answer - B (b) Activation energy is an external supply of energy which is needed for the initiation of the chemical reaction. Activation energy required for such a large number of reactions cannot be provided by living systems. Enzymes lower the activation energy required for a reaction Enzymes are generally specific for their substrates. |
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