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Tonicity 2
Test Description: Bio test review
Instructions: Answer all questions to get your test result.
1) What is the term for allowing some substances through but not others?
A
selective choice
B
Selectively Permeable
C
active transport
D
diffusion
2) Diffusion is the movement of particles from an area of...
A
low concentration to an area of high concentration
B
ow concentration across a membrane to high concentration
C
high concentration across a membrane to low concentration
D
high concentration to an area of low concentration
3) The diffusion of water across a selectively permeable membrane is:
A
solute
B
osmosis
C
tonicity
D
active transport
4) To move substances against the concentration gradient, the cell must use:
A
energy
B
ions
C
exocytosis
D
water
5) The type of solution that a sell would shrink in
A
hypertonic
B
isotonic
C
hypotonic
6) Water moves INTO a cell that is placed in a(n)_________________ SOLUTION.
A
isotonic
B
hypertonic
C
platonic
D
hypotonic
7) A cell placed in a hypotonic solution will:
A
shrink
B
swell
C
stay the same
8) When iodine molecules pass through a plastic bag this is a form of osmosis.
A
false
B
true
9) Transport that does not require energy is called passive transport.
A
true
B
false
10) Cell Theory states which of the following?
A
Cells are not alive
B
cells cannot be destroyed
C
cells come from other cells
D
cells are the largest living units
*select an answer for all questions
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