The endocytotic process by which tiny packets of fluid are brought into the cell is called ________.
A. pinocytosis
B. phagocytosis
C. osmosis
D. exocytosis
E. facilitated diffusion
Answer: A
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The blood-brain barrier
a. consists of both anatomical and physiological factors. b. regulates to some extent the passage of substances from the blood to the interstitial fluid of the brain. c. is anatomically related to the formation of tight junctions between adjacent capillary endothelial cells. d. is induced by the astrocytes. e. all of these.
The thoracic organs are drained mainly by:
What will be an ideal response?
Nerve fibers are insulated from one another by __________.
A. perineurium B. endoneurium C. fascicles D. epineurium E. blood vessels
Vesicles and glycoproteins required at the synapse are moved down a nerve fiber by ________ axonal transport.
A. slow B. fast