Cell Transport Worksheet

1.  A cell was poisoned by a substance that destroyed all of its mitochondria. Circle all of the cell transport processes listed that would still be able to continue.

  1. Osmosis
  2. Diffusion
  3. Facilitated diffusion
  4. Exocytosis
  5. Pinocytosis
  6. Phagocytosis

2.  On the diagram of the cell membrane: Label the following:

  1. Phospho- head

  1. Fatty acid tail
  2. Phospholipd molecule
  3. Cholesterol
  4. protein
  5. Cytoskeleton
  6. Carbohydrate chain
  7. Cytoplasm
  8. Extracellular fluid

3.  (Use the diagram below)As diffusion occurs, what would happen (increase/decrease) to the concentration of substance A :

a.  Inside the plant cell ______

b.  Outside the plant cell ______

A
A AA
A
A A

4.  What would happen to a plant cell in each of the following solutions?

  1. Hypertonic: The cell would ______because the water molecules would ______.
  2. Hypotonic: The cell would ______because the water molecules would ______.
  3. Isotonic: The cell would ______because the water molecules would ______.

5.  What would happen to an animal cell in each of the following solutions?

  1. Hypertonic: The cell would ______because the water molecules would ______.
  2. Hypotonic: The cell would ______because the water molecules would ______.
  3. Isotonic: The cell would ______because the water molecules would ______.

6.  Complete the following sentences:

  1. A plant deprived of water will wilt because of a loss of ______.
  2. The ability of a cell membrane to permit some substances to enter the cell and keep others out is known as ______.

7.  Compare & contrast the following terms:

a.  Diffusion & facilitated diffusion

  1. Same:
  1. Different:

b.  Exocytosis & endocytosis

  1. Same:
  1. Different:

c.  Osmosis & diffusion

  1. Same:
  1. Different:

8.  If you are stranded on the ocean, why should you NOT drink salt water (a hypertonic solution)? Give your answer in terms of what you learned about cell transport.