Q. Which of the following statements about enzymes are correct? I. Enzymes do not alter the overall change in free energy for a reaction II. Enzymes are highly specific for reactions III. The energy input needed to start a chemical reaction is called activation energy IV. Enzymes are proteins whose three dimensional shape is key to their functions

A) I and V
B) I, II and V
C) II and V
D) All of these
Explanation

All the statements about enzymes are correct

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.