What is Activation energy in Biology?

Learn Activation energy definition in biology with explanation to study “What is Activation energy”. Study activation energy explanation with biology terms to review biology course for online degree programs.

Activation energy Definition

  • Initial investment of energy for starting a reaction is called activation energy.

    Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson

Activation energy Explanation

The activation energy is the energy that is required to start a reaction. This energy must be provided to a chemical or nuclear system with potential reactants to result in: a chemical reaction, nuclear reaction, or various other physical phenomena. Enzymes are proteins that help to lower this energy by binding to a molecule, or substrate and then modifying it and hence lowering the energy required to make it react.

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