In some cases, a title can also serve as a permanent legal record of condemnation of property, such as in the case of an automobile junk or salvage title. In the case of real estate, the legal instrument used to transfer title is the deed. A famous rule is that a thief cannot convey good title, so title searches are routine (or highly recommended) for purchases of many types of expensive property (especially real estate).
Chemical drugs are often more pure and better characterized by current analytical technology than biologics. A biologic agentâs activity may be affected by the cell system in which it is produced, the fermentation media, or operating conditions. The use of living organisms to produce therapeutic extracts is not new.
Receptors can be activated by either endogenous (such as hormones and neurotransmitters) or exogenous (such as drugs) agonists, resulting in a biological response.A physiological agonist is a substance that creates the same bodily responses but does not bind to the same receptor.eceptors can be activated by either endogenous (such as hormones and neurotransmitters) or exogenous (such as drugs) agonists, resulting in a biological response.