Describe why oxytocin is considered as a hormone as well as a neurotransmitter.

Do most steroid hormones have cell membrane receptors or intracellular receptors? Why?

The hormone mechanism which results in the release of intracellular Ca++ is the:   Question options:   PIP 2nd messenger mechanism    humoral mechanism   2nd messenger – adenylate cyclase  mechanism   Steroid hormone mechanism

Is a hormone altered as a consequence of its interaction with a receptor? Is the receptor altered as a consequence of hormone binding? What are the forces that bind hormone and receptor?