How do enzymes act as catalysts in a chemical reaction?

At 300 K, a catalyst lowers the activation barrier from 20 kJ/mol to 10 kJ/mol. Which of the following statements is true regarding the rate constant for the catalyzed reaction compared to the uncatalyzed reaction? (R = 8.314 J mol⁻¹ K⁻¹)

Why are enzymes referred to as catalysts in biochemical reactions?

What effect does an inhibitor have on a chemical reaction?

Which of the following is responsible for lowering the activation energy of a chemical reaction?

Enzymes act as catalysts to lower what aspect of a chemical reaction?

Which of the following processes is used to speed up chemical reactions?

Which substances are responsible for accelerating chemical reactions in cells?

What is the name of a molecule that speeds up chemical reactions and lowers activation energy?