Which of the following RAS neurotransmitters stimulates the cerebral cortex for wakefulness?
What will be an ideal response?
Both dopamine and norepinephrine are correct
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Which of the following is true about bile?
A. It contains concentrated enzymes that digest carbohydrates. B. Cholecystokinin stimulates its production. C. Bile is produced by the liver. D. Secretin stimulates release of bile into the duodenum.
You examine a cell by electron microscopy and find a molecule on the outside of the cell and in vesicles in the cytoplasm. The most likely explanation is that this substance moved into the cell by
A. apoptosis. B. osmosis. C. endocytosis. D. diffusion. E. facilitated diffusion.
There are ___ phalanges on each hand.
Fill in the blank(s) with the appropriate word(s).
Which of these happens first in an adrenergic synaptic transmission?
A. ATP is converted to cyclic AMP B. G protein binds to adenylate cyclase C. Adenylate cyclase is activated D. Cyclic AMP induces several effects in the cell E. G protein dissociates from the NE receptor