Take home Quiz #3
1.
a)
b)
c)
d)
Which statement best describes passive transport?
The movement of particles from an area of high to an area of low concentration without the use of energy.
The movement of particles from an area of low to an area of high concentration without the use of energy.
The movement of particles from an area of high to an area of low concentration with the use of energy.
The movement of particles from an area of low to an area of high concentration with the use of energy.
2.
a)
b)
c)
d)
Which of the following lists contains ONLY examples of passive transport?
Osmosis, diffusion, facilitated diffusion
Osmosis, endocytosis, facilitated diffusion
Diffusion, exocytosis, osmosis
Facilitated diffusion, pinocytosis, phagocytosis
3.
a)
b)
c)
d)
What is the difference between diffusion and facilitated diffusion?
Diffusion occurs without the help of proteins.
Facilitated diffusion occurs without the help of proteins
Diffusion is an example of passive transport while facilitated diffusion is an example of active transport
None of the answers are correct.
4.
a)
b)
c)
d)
What is the function of transportl proteins in the cell membrane?
To transport particles across the membrane from an area of high to low concentration
To transport particles too large to pass through the phospholipid bilayer.
To transport polar particles through the phospholipid bilayer.
All of the answers are correct
5.
a)
b)
c)
d)
What is the difference between active and passive transport?
Active transport requires energy and moves particles from an area of low to high concentration.
Active transport does not require energy.
Active transport moves particles from an area of high to an area of low concentration.
Active transport does not require energy and moves particles from an area of low to high concentration.
6.
a)
b)
c)
d)
What is a pump?
A protein that moves particles against the concentration gradient.
A protein that moves particles with the concentration gradient.
A form of passive transport.
None of the answers are correct.
7.
a)
b)
c)
d)
What does the sodium potassium pump move out of the cell?
Sodium
Potassium
Hydrogen
Oxygen
8. What is the difference between endocytosis and exocytosis?
a) Exocytosis moves things out of while endocytosis moves things into the cell.
b) Exocytosis moves things into while endocytosis moves things out of the cell.
c) Exocytosis moves things against the concentration gradient while endocytosis moves things with the concentration
gradient.
d) Exocytosis moves things with the concentration gradient while endocytosis moves things against the concentration
gradient.
9.
a)
b)
c)
d)
What is pinocytosis?
Cell eating
Cell drinking
Cell hearing
Cell smelling
10. During organ transplants, which of the following components of the cell membrane need to match between patient
and donor?
a) Phospholipids
b) Carbohydrate chains on surface of cell
c) cholesterol
d) Protein pumps