Which of the Following Acts as a Catalyst

Question

Which of the following acts as a catalyst?
A) An acid
B) An enzyme
C) A buffer
D) ATP

Accepted Answer

Enzymes act as catalysts in biological reactions, increasing the rate of the reaction without being consumed themselves. Acids, buffers, and ATP can play important roles in chemical reactions and biological processes, but they do not act as catalysts in the same way that enzymes do.