WorksheetsCell Membranes
Total questions: 22
Worksheet time: 18mins
Name
Class
Date
1.
Another term for maintaining an internal balance is...
a)
Equality
b)
Equential
c)
Homeostasis
d)
Balance
2.
A phospholipid has 2 parts. What are they called?
a)
Hydrophilic Head, Hydrophobic Tail
b)
Hydrophobic Head, Hydrophilic Tail
3.
This forms a boundary between the inside of the cell and the outside of the cell.
a)
Cell Membrane
b)
Lipid Cleric Layer
c)
Membrane Gate
d)
Protein Receptors
4.
A ______________ is composed of a phosphate and glycerol head and 2 fatty acid chain tails.
a)
phospholipid
b)
Carbohydrate
c)
Cholesterol
d)
Protein
5.
"Water Loving"
a)
Hydrophobic
b)
Hydrophilic
c)
Hydroelectric
d)
Hydroloric
6.
"Water Fearing"
a)
Hydrophobic
b)
Hydrophilic
c)
Hydroelectric
d)
Hydroloric
7.
The majority of the cell membrane is made of which macromolecule?
a)
Lipids
b)
Carbs
c)
Proteins
d)
Nucleic acids
8.
Which of the following macromolecules is NOT part of the cell membrane?
a)
Lipids
b)
Carbohydrates
c)
Proteins
d)
Nucleic Acids
9.
How many layers thick is the lipid bilayer?
a)
1
b)
2
c)
3
d)
4
10.
Hydrophobic region of the cell membrane?
a)
E
b)
B
c)
C
d)
A
11.
Hydrophilic portion of cell membrane?
a)
A
b)
C
c)
D
d)
E
12.
True or False: Regulating what enters and leaves the cell helps the cell maintain homeostasis.
a)
True
b)
False
13.
What is the name for a molecule that has a polar head region and a hydrophobic tail region?
a)
Bihydrophicity
b)
Amphiphilic
c)
Hydrophilic
d)
Dipolarity
14.
The cell membrane is made up of
a)
Polar heads, non-polar tails
b)
Non-polar heads, polar tails
c)
Polar heads, polar tails
d)
Non-polar heads, non-polar tails
15.
Which of the following states that the cell membrane isn't rigid (it is moveable)?
a)
Phospholipid Bilayer
b)
Fluid Mosaic Model
c)
Selectively Permeable Membrane
16.
Cell membrane allows some things to pass freely and others to not
a)
Phospholipid Bilayer
b)
Selectively Permeable Membrane
c)
Fluid Mosaic Model
17.
This image is best described as the
a)
Phospholipid Bilayer
b)
Fluid Mosaic Model
c)
Selectively Permeable Membrane
18.
___________ allow cells to recognize each other and act like ID tags.
a)
Carbohydrates
b)
Proteins
c)
Phospholipids
d)
Cholesterol
19.
___________ strengthens and stabilizes the cell membrane.
a)
Carbohydrates
b)
Proteins
c)
Phospholipids
d)
Cholesterol
20.
Something is ___________ ____________
when some molecules can cross the membrane while others cannot.
when some molecules can cross the membrane while others cannot.
a)
Selectively (or Semi) Permeable
b)
Totally Transparent
c)
Liquid Licorice
d)
Heavily Patrolled
21.
This is a picture of which type of receptor?
a)
Intracellular
b)
Extracellular
22.
This is a picture of which type of receptor?
a)
Intracellular
b)
Extracellular
100 %
