The Na+-K+ ATPase transport system that plays a pivotal role in tubular reabsorption is located in the
a. luminal membrane of tubular cells
b. basolateral membrane of tubular cells
c. podocytes
d. glomerular capillary membrane
e. basement membrane
B
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The ________ convey(s) information about head position with respect to gravity
A) cochlea B) utricle C) ampulla D) saccule E) utricle and the saccule
Flu viruses enter into a prospective host cell (along the respiratory tract) and direct it to produce many copies of the viruses. As those viruses bud off of the infected cell, they take the cell membrane of the host cell with them. How might this kill the host cell?
A) The infected host cell loses the ability to transport materials in and out. B) The infected cell cannot metabolize. C) The infected cell cannot make RNA. D) The infected cell loses the ability to move towards nutrient sources. E) None of these is correct.
During embryonic development, what structure does the optic stalk develop into?
A. The lens B. The retina C. The ganglion cells D. The sclera E. The optic nerve
A __________ develops when the lens darkens and accumulates debris.
Fill in the blank(s) with the appropriate word(s).