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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
diffusion
C
active transport
D
Selectively Permeable
2) Diffusion is the movement of particles from an area of...
A
ow concentration across a membrane to high concentration
B
low concentration to an area of 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
active transport
B
solute
C
osmosis
D
tonicity
4) To move substances against the concentration gradient, the cell must use:
A
exocytosis
B
energy
C
water
D
ions
5) The type of solution that a sell would shrink in
A
isotonic
B
hypertonic
C
hypotonic
6) Water moves INTO a cell that is placed in a(n)_________________ SOLUTION.
A
platonic
B
hypertonic
C
hypotonic
D
isotonic
7) A cell placed in a hypotonic solution will:
A
swell
B
stay the same
C
shrink
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
false
B
true
10) Cell Theory states which of the following?
A
cells are the largest living units
B
Cells are not alive
C
cells cannot be destroyed
D
cells come from other cells
*select an answer for all questions
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