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Pre-Lab Questions
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1
Which of the following membrane movements is not by a passive process?
A)osmosis
B)simple diffusion
C)active transport
D)filtration
2
Osmosis is a membrane passage process pertaining to
A)glucose solutions.
B)hydrostatic pressure.
C)saline solutions.
D)water.
3
Which of the following represents an isotonic solution to human cells?
A)0.9 % NaCl
B)3 % NaCl
C)3 % glucose
D)0.9 % glucose
4
Filtration requires ________ for movements through membranes.
A)hydrostatic pressure
B)active transport
C)pinocytosis
D)phagocytosis
5
Which of the following does not influence the rate of simple diffusion?
A)concentration gradient
B)size of petri dish
C)molecular size
D)temperature
6
Dialysis tubing serves as a __________________ for the osmosis experiment.
A)cell wall
B)permeable membrane
C)selectively permeable membrane
D)barrier
7
Passive membrane passage requires ATP.
A)True
B)False
8
A cell will not swell or shrink when placed in an isotonic solution.
A)True
B)False





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