Stanley has entered a rehabilitation facility for treatment of his addiction to barbiturates. He is immediately prevented from using the drugs and experiences agitation, restlessness, increased respiration, and insomnia. This phase of treatment is called detoxification.
Because they are not easily defined in terms of a typical community of plants and animals, mountain ranges and polar ice caps are not usually classified into biomes.
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Answer:
Dopamine
Explanation:
The correct answer would be dopamine.
<em>Dopamine is a chemical messenger produced in the substantia nigra, ventral tegmental area, and hypothalamus of the brain and has a variety of functions, including mediation of pleasure, learning, movements, sleep, etc. </em>
Dopamine is released by the brain during pleasurable situations. The compound also has the ability to inhibit the actions of norepinephrine to make one feels alert and speeds up the activity in the brain.
Explanation:
1. cell membranes are partialy permeable, only allowing passage to some certain molecules.
2. diffusion is the movement of molecules across partially permeable membrane down concentration gradient.
3. the molecules are too big to pass through partially permeable membrane. the concentration of the molecule might be higher in the cell than in the solution/surroundings.
