Why enzymes need more energy at the starting of activity

1.	Why enzymes need more energy at the starting of activity
Answer» Energy\xa0is also released during the reaction. The\xa0enzyme\xa0speeds up the reaction by\xa0lowering the activation energy\xa0needed for the reaction to start. Compare the\xa0activation energy\xa0with and without the\xa0enzyme.\xa0Enzymes\xa0generally\xa0lower activation energy\xa0by reducing the\xa0energy\xa0needed for reactants to come together and react.\xa0Enzymes\xa0are biological catalysts. Catalysts\xa0lower the activation energy\xa0for reactions. The\xa0lower the activation energy\xa0for a reaction, the faster the rate. Thus\xa0enzymes\xa0speed up reactions by\xa0lowering activation energy.

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