Question

1. what do you think this statement means? “enzymes catalyze chemical reactions.”

Explanation:

Enzymes are biological catalysts. They increase the rate of chemical reactions in living - organisms by lowering the activation energy required for the reaction to occur, without being consumed in the reaction themselves.

Answer:

Enzymes increase the rate of chemical reactions in living systems by lowering the activation energy, and they are not used up in the reactions.