Which of the Following Statements Concerning Enzymes is FALSE

Question

Which of the following statements concerning enzymes is FALSE?
A) They are usually, but not always, proteins.
B) They always function best at 37°C.
C) They can be denatured if the pH of their environment is too high or too low.
D) They form a temporary intermediate compound with a substrate.
E) They can be used to catalyze a chemical reaction over and over again.

Accepted Answer

Enzymes do not always function best at 37°C, as each enzyme has its own optimal temperature range. Some enzymes function best at temperatures higher or lower than 37°C.