The answer to this question would be: <span>B. Receptor site
The receptor site of a neurotransmitter often only receives a specific kind of transmitter. That was because the receptor has a unique 3D structure, so different transmitter wouldn't fit into the receptor. That was similar to lock and key principles.</span>
D. Fruit.
Fruit is not refined or process and contains more nutrients than the other options.
Gingivitis is inflammation in the gum tissues...itis meant inflammation..gingi means gum
Answer:
i think its Social modeling and Physiological factors
Explanation:
Answer:
the body would usually fight both the vaccine (while the vaccine is also fighting the virus)and bacteria in body
