Two solutions are separated by a selectively permeable membrane. If solution A has a higher concentration of a nonpermeating solute than solution B, then ________
A) the solute will pass down its concentration gradient from solution B to A
B) water will pass down its concentration gradient from solution B to A
C) water will pass down its concentration gradient from solution A to B
D) neither the solute nor water will diffuse
E) the solute will pass down its concentration gradient from solution A to B
B
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Inferior to the acetabulum is a large hole: the __________ foramen.
Fill in the blank(s) with the appropriate word(s).
An advantage to adaptive immunity is ________
A) the use of antibodies that cause cell lysis and kill invading cells B) the ability of its individual cells to respond to many different pathogens C) its memory cells that provide quicker, larger and more efficient immune response upon second exposure to an antigen D) its need for several cells to be activated over several days on first exposure
Position of the tongue in the oral cavity is changed by the use of the:
a. lingual frenulum b. labial frenulum c. intrinsic muscles d. extrinsic muscles
Most cells can perform pinocytosis, but only a few kinds can perform phagocytosis
Indicate whether the statement is true or false.