The correct answer is: They lower activation energy.
Enzymes are biological catalysts that speed up chemical reactions by lowering the activation energy required for the reaction to proceed. Activation energy refers to the energy required for the reactant molecules to overcome the energy barrier and convert into products. By lowering the activation energy, enzymes increase the rate of reaction without being consumed or permanently altered in the process.
How do enzymes affect chemical reactions
They eliminate activation energy
They lower activation energy
They increase activation energy
They provide activation energy
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