Which of the following statements concerning enzyme chemistry is/are correct?
1)Enzymes are biological catalysts.
2)A reaction occurs when substrate binds the enzyme active site.
3)Enzymes catalyze multiple types of reactions.
A) 1 only
B) 2 only
C) 3 only
D) 1 and 2
E) 1,2,and 3

Question

Quizplus · Accepted Answer

Statement 1 is correct as enzymes are biological catalysts.
Statement 2 is correct as a reaction occurs when substrate binds the enzyme active site.
Statement 3 is incorrect as enzymes are specific for the type of reaction they can catalyze. Therefore, the correct choice is D, which includes statements 1 and 2 only.

Which of the Following Statements Concerning Enzyme Chemistry Is/are Correct