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1.price and quantity demanded The law of demand states that there is a negative relationship between price and quantity demanded. 2.pens and pencils Pens and pencils are the best examples of substit...

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The teen courts are the courts which are specialized in the programs of diversion provided to the young offenders which offers court like proceedings. 12 to 15 years old are the teens which are referr...

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For this discussion I have chosen the Market Revolution which transformed and changed the American market and business in the global front. It helped in the development of trade and commerce not just...

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Nervous system Discussion Question

Nervous system Discussion Question

Q 1. Why is it important that the brain is impermeable to large molecules and cells? 2. Using adrenergic receptors as your model, why does the same neurotransmitter (Epi and NorEpi) have different effects depending on the cell?

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1. The purpose of the blood brain barrier is to regulate the entry of certain toxic substances and pathogens that can cause brain infections . The brain’s blood vessels are lined with endothelial cells forming the tight junctions . The gap only allows certain small molecules to pass through the capillary wall and it is impermeable to large molecules and cells.