As Level Cell Membrane Test

15 Questions  I  By Masy171 on August 10, 2009
A selection of multiple choice and missing word questions about cell membrane structure and the movement of substances across IT.

  
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Question Excerpt

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1.  Intrinsic proteins span how far into the membrane?
A.
B.
C.
D.
E.
2.  Polar heads of phospholipids are said to be what?
3.  What model was proposed for the cell membrane?
A.
B.
C.
D.
E.
4.  Membranes are made up of two layers of what?
A.
B.
C.
D.
5.  The function of  a cell membrane is to .................... what enters and leaves a cell
6.  Active transport does the following
A.
B.
C.
D.
7.  Osmosis is the;
A.
B.
C.
D.
8.  Two forms of bulk transport are?
A.
B.
C.
D.
E.
9.  Forms tunnels in the membrane for water soluble molecules to move through
10.  Extrinsic proteins span how far into the membrane?
A.
B.
C.
D.
E.
11.  Hydrocarbon tails of phospholipids are said to be what?
12.  Molecules can move across membranes by?
13.  Diffusion occurs ................... no ATP
14.  Cell membranes have the following functions
A.
B.
C.
D.
E.
15.  Changes shape to help move molecules through the membrane
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