This is what I refer to as an outstanding write up... Well detailed.
Of a truth biosignaling is the unique way through the biological system interact and the specificicty of drugs to target receptor site is really an advantageous one. Without specificity, it would be difficult for drugs,hormones and many biomolecules to interact with the body system.
Beautiful write up!
thank you for the honest comment man and yea, communication is very vital in biological systems