LEAP 2025 Biology Practice Questions - LEAP 2025 Biology Assessment Exam

How do biological enzymes increase the rate of chemical reactions in living organisms?

By increasing the total delta G (free energy change) of the reaction. By raising the temperature of the cell to speed up molecular collisions. By lowering the activation energy required to reach the transition state. By being permanently altered to become reactants in the chemical equation.

Correct Answer:

By lowering the activation energy required to reach the transition state.

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