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WorksheetsMembranes 5A
Total questions: 20
Worksheet time: 3mins
Name
Class
Date
1.
tunnel
a)
channel protein
b)
carrier protein
2.
based on size of molecule
a)
channel protein
b)
carrier protein
3.
always open
a)
channel protein
b)
carrier protein
4.
closed
a)
channel protein
b)
carrier protein
5.
based on the shape of the molecule (lock and key)
a)
channel protein
b)
carrier protein
6.
gate
a)
channel protein
b)
carrier protein
7.
head
a)
A.
b)
B.
8.
phosphorus
a)
A.
b)
B.
9.
hydrophilic
a)
A.
b)
B.
10.
outside of the membrane
a)
A.
b)
B.
11.
inside of the membrane
a)
A.
b)
B.
12.
hydrophobic
a)
A.
b)
B.
13.
lipid
a)
A.
b)
B.
14.
tail
a)
A.
b)
B.
15.
Label the components of the phospholipid bilayer.
a)carrier protein
b)glycoprotein
c)peripheral protein
d)carbohydrate
e)cholesterol
f)channel protein
g)phospholipid molecule
1
2
3
4
5
6
7
1)
2)
3)
4)
5)
6)
7)
16.
How many layers in the cell membrane?
a)
1
b)
2
c)
3
d)
4
17.
on / off switch
a)
receptor
b)
surface marker
18.
cell identification
a)
receptor
b)
surface marker
19.
Which phospholipid molecule orientation is correct in a bilayer?
a)
b)
c)
20.
Where is the water?
a)
A.
b)
B.
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