WorksheetsWeek 2 Quiz
Total questions: 15
Worksheet time: 9mins
Name
Class
Date
1.
1) Diffusion is the net movement of molecules from a _________ concentration to a _________ concentration.
a)
high/low
b)
low/high
c)
medium/high
d)
low/medium
2.
2) These molecules make up the bilayer of the cell membrane.
(a)
3.
3) Which of the following make up the cell membrane? Pick all that apply.
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
4.
4) Which molecule is embedded and functions for ions and molecules can travel into and out of the cell?
a)
cholesterol
b)
integral protein
c)
peripheral protein
d)
glycoprotein
5.
5) Which molecule serves as recognition and reception?
a)
cholesterol
b)
integral protein
c)
peripheral protein
d)
glycoprotein
6.
6) What are the two parts of a phospholipid? (Write your answer as 2 words with "and" between them; ______ and ______)
(a)
7.
7) Once equilibrium is reached, molecules will continue to move across a membrane....
a)
in one direction
b)
uniformly
c)
randomly
d)
all at once
8.
8) If molecules go DOWN the concentration gradient of a cell, energy is being used.
a)
True
b)
False
9.
9) What kind of molecules can go directly across the membrane? (Choose all that apply.)
a)
Ions
b)
Small polar molecules
c)
Large molecules (like sugars)
d)
Small nonpolar molecules
10.
In Diffusion, substances move from…
a)
High to Low Concentration
b)
Low to High Concentration
11.
Look at the diagram of a cross-section of a cell membrane below. The cell membrane controls movement of materials into and out of the cell. The following particles are moving from high concentration to low concentration and are using a carrier protein. How would you describe this type of movement across the membrane?
a)
simple osmosis
b)
active transport
c)
simple diffusion
d)
facilitated diffusion
12.
Where is there a high concentration of bbq smoke?
a)
In the bbq pit
b)
In the house
c)
Two streets over
d)
In the atmosphere
13.
Is found in the cell membrane as a bilayer.
a)
lipids
b)
protein
c)
nucleic acid
d)
carbohydrate
14.
Identify the part of the membrane identified as A.
a)
carbohydrate
b)
cholesterol
c)
protein
d)
phospholipid
15.
Which type of cells have a cell membrane?
a)
plants
b)
animals
c)
bacteria
d)
all of them
100 %
