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Enzymes are protein catalysts. What is the role of a catalyst?
A. Provides extra energy for a reaction
B. Lowers the activation energy of a reaction
C. Allows only irreversible reactions to happen
D. Eliminates the activation energy of a reaction

Respuesta :

Answer: B

Explanation: enzymes catalyze reactions by reducing the amount of energy required to reach the transition state. Thus lowering the activation energy.

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