BIO200H5 Study Guide - Homeostasis, Morphine, Medical Genetics
Document Summary
Drug - adjusting physiology of an individual for medical purpose. Physiological dose - normal dose for regular supplement. Pharmacological dose - a dose that is given to cure a deficiency (vitamin) Poison - affects the receptors and puts it out of homeostasis. Not a drug when using on cleaning table. Have an effect on excitable membranes like muscles/neurons. Ligand - something that binds to a receptor. Drug molecules stabilize the protein molecule in inactivated/activated state. How the drug enters the body and spreads and leaves the body. Fat soluble compounds need to be converted to water soluble for it to be excreted. Effect of the drug on protein (open / close ion channel). What it does after it enters the body. Scientists use it in small doses to treat diseases. Pure synthetic - does not exist in nature at all. Made use of side effect and use that.