Q. Some hormone need the secondary messenger, because

A) They need activator
B) They can’t cross cells membrane
C) They can cross cells membrane
D) They need a prosthetic group
Explanation

The hormones which are proteinaceous in nature generally can’t pass through the cell membrane. So, they generate the secondary messenger like $(Ca^{2 +},\ IP_{3})$ which regulate the further changes in target cell

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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