Question

enzymes are able to increase the speed of a reaction because they accomplish which of these tasks? a. they alter the net energy change of reaction. b. they decrease the activation energy. c. they absorb energy from the reactants. d. they absorb energy from the products.

Explanation:

Enzymes are biological catalysts. They speed - up reactions by reducing the activation energy required for the reaction to occur. They do not change the net energy change of the reaction, nor do they absorb energy from reactants or products.

Answer:

b. They decrease the activation energy.