Which of the following statements is CORRECT about enzymes?

Question

Quizplus · Accepted Answer

A) Most enzymes are proteins. This is correct. Enzymes are typically made up of amino acids and classified as proteins.
B) Enzymes speed up reactions that are intended to happen anyway. This is also correct. Enzymes lower the activation energy required for a reaction to occur, making it happen faster.
C) Enzymes do not change the output of a reaction. This statement is incorrect. Enzymes can indeed change the outcome of a reaction by either producing a different product or accelerating the formation of a specific product.
D) Enzymes can perform over and over. This is correct. Enzymes are not consumed during a reaction and can be reused multiple times. 
Therefore, all of the statements are correct, making E the best answer.

Which of the Following Statements Is CORRECT About Enzymes