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What is the definition of a drug?
A drug is a substance that alters the biochemical processes in the body
What allows a drug to be defined as a medicine?
If a drug has a beneficial effect on the body's biochemical processes then it is called a medicine
Most medicines work by binding to _____?
Receptors are normally what type of molecules?
Receptors are usually found in two places, where are these places?
On the surface of cells
Inside cells (these receptors are enzymes - catalytic receptors)
The structural fragment of the molecule which confers pharmacological activity on it is called the...?
What type of medicine will produce a response like the body's natural active compound?
An agonist medicine
What type of medicine will produce no response but prevents the action of the body's natural active compound?
An antagonist medicine
Advanced Higher Chemistry - Unit Three - Medicines