Quote Originally Posted by MuscleScience View Post
Those are different types of second messanger systems. BTW, learning The different RAS messenger system was the damn devil....LOL

You will only ever use that again when you take the MCAT, maybe. Even as a physiologist unless your a protein researcher its useless to know.
Im quite proud that I've committed a ton of useless information to memory that will never serve me as a clinician. Lol....