refer(s) to specific molecular changes that occur when a drug binds to a particular target site or receptor, while are the resulting widespread alterations in function. v

Drug action; drug effects

Explanation:

Drug action can be defined as the combination of the drug with the specific site of the receptor and brings about specific changes at the molecular level of the organism.

The drug effect can be defined as the physiological and biochemical changes that occur at the consequence of action of drug. The effects of the drugs on the body can be observed in the symptoms.

all answers true and false

explanation:

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.