worksheet

Write your name, date, and class period above.
Chapter 5 “What are different ways that substances can pass into and out of cells?”
Cellular Membrane Transport
Watch this video “Membrane Transport animation” on YouTube, found here:
https://www.youtube.com/watch?v=ovHYKlHYpyA
Answer the following questions. Answers do NOT need to be in complete sentences.
If you are found to be on any web site other than the one you have been instructed to access,
you will be “fined” - 5 points each time.
A. “Passive Transport”
1. List the three types of passive transport.
2. What does the “fluidity” of the phospholipids membrane allow for?
3. Which molecules pass through the cell membrane with ease? What reason(s) can you give for this
action?
4. What does the term “concentration gradient” refer to?
5. Name 2 factors that affect the rate of diffusion?
6. Describe facilitated diffusion.
7. In what two ways is osmosis different from diffusion?
8. Circle the solution that has the greater solute concentration:
Hypertonic OR
Hypotonic
B. “Active Transport”
9. List the three types of active transport.
10. What are ion pumps?
11. Why do ion pumps need energy (ATP)?
12. What two molecules are coupled together to illustrate “co transport”?
13. List the three types of endocytosis.
14. What type of endocytosis involves liquids? _______________________
15. What type of endocytosis involves foods? ________________________
16. Which type of endocytosis involves pseudopods? _______________________________