Download Cell Membranes Study Guide

Cell Membranes Study Guide
Name
Per.
1. The function of the cell membrane is to
2. Draw and label a cell membrane using the following terms: phospholipid bilayer, transport protein,
cholesterol, carbohydrate chain.
3. _____________________ Transport: does not require ATP
a. molecules travel ____________ the concentration gradient ( from _________  _________ )
Types
Structure Traveled Through
Molecule Size
Molecules Involved
b.
c.
d.
4. Osmosis: diffusion of _________________
Solute
Concentration
Higher in the
Where does
the water
move?
What happens
to the size of
the cell?
Drawing
5. Hypertonic
Solution
6. Hypotonic
Solution
7. Isotonic
Solution
8. ___________________ Transport: requires ATP
Structure Direction of Concentration
Types
Used
Movement
Gradient
a.
Size & Examples of molecules
b.
c.
9. Why is a concentration gradient important in biology?
10. Molecules diffuse because
11. When molecules diffuse, the goal is to reach
.
, when solution is
.
Cell Membrane Concept Map
active transport
ATP
bacteria
Name
cell membrane
diffusion
endocytosis
exocytosis
facilitated diffusion
food for unicellular
ions
lipid secretions
monomers
Period
osmosis
passive transport
phospholipid bilayer
protein secretions
transport protein x2
wastes
Exchange of molecules
through the
1.
Against the
concentration gradient
(low to high)
Down the
concentration gradient
(high to low)
2.
10.
large molecules
transported by
small & medium
molecules
requires
pushed by
transported
through the
3.
6.
7.
11.
of water
4.
in
out
small molecules
move through
medium molecules
move through
examples
5. *
8. *
9. *
*
*
12.
13.
*
*
also called
16.
15.