Transcript Cell Membranes Practice Test

Cell
Membranes
Practice Test
Question #1
A cell with a 65% salt concentration is
placed in a 35% salt solution. What
will happen to the size of the cell?
increase
b) decrease
c) stay the same
a)
Question #2
If there is no concentration gradient,
which of the following is true? Write
in ALL that apply.
Cell will stay the same size
b) It is in an isotonic solution
c) The membrane will not let any
materials through
d) Water will move in and out equally
a)
Question #3
Which of the following uses transport
proteins? Write in ALL that apply.
Endocytosis
b) Active transport
c) Moving from low to high concentration
d) Facilitated diffusion
a)
Question #4
A cell with a 75% salt concentration is
placed in a hypotonic solution.
Which of the following is true?
Write in ALL that apply.
The solution is 25% water.
b) The solution is 70% salt.
c) Water moves into the cell.
d) The cell starts to shrink.
a)
Question #5
Which of the following is not true of
passive transport?
Diffusion and osmosis are types
b) It requires a small amount of energy
c) It moves molecules down the
concentration gradient.
d) All of the above are true
a)
Question #6
Wastes leave the cell by
Passive transport
b) Osmosis
c) Exocytosis
d) Endocytosis
a)
Question #7
Which of the following molecules travels
through the phospholipids? Write in
all that apply.
a) Water
b) Proteins
c) Waste
d) Carbon dioxide
e) Glucose
Question #8
Which of the following is true of a hypotonic
solution? Write in all that apply.
a) Occurs when you are dehydrated
b) Concentration of salt is higher inside the
cell
c) Concentration of water is higher inside
the cell
d) Water moves into the cell
e) Cell shrinks
Question #9
Which of the following is true of active
transport? Write in all that apply.
a) Requires energy
b) Used to transport large molecules
c) May move small molecules
d) Moves down the concentration
gradient
Question #10
If the concentration of salt is different
between the inside and outside of the
cell, what exists?
a) Isotonic solution
b) Concentration gradient
c) Hypertonic solution
d) Hypotonic solution
e) Not enough information given