1. Biology Chp. 7.4 Review

2. Question 1
What is the balanced internal condition of a cell?

3. 1. Answer
Homeostasis or equilibrium

4. Question 2
This part of the cell acts like a protective barrier, it regulates transport in and out of the cell, and provides support for the cytoskeleton.

5. 2 Answer
Cell membrane

6. Question 3
The cell membrane is composed of a ___________________ _______________.

7. 3 Answer
Phospholipid bilayer

8. Question 4
Which part of the phospholipid bilayer is polar and “water loving”?

9. Answer 4
head

10. Question 5
A passive process in which molecules move from areas of high concentration to areas of low concentration is called _________.

11. 5 Answer
diffusion

12. Question 6: What process is taking place in the following diagram?

13. Answer 6: Diffusion

14. Question 7 What type of transport is shown in the diagram?
The Plasma Membrane
12/5/2018
Question 7
What type of transport is shown in the diagram?
G. Podgorski, Biol. 1010

15. Answer 7: Active Transport

16. 8. Cell in _________Solution
10% NaCL 90% H2O
ENVIRONMENT
CELL
NO NET MOVEMENT
10% NaCL
90% H2O

17. Answer 8: isotonic solution

18. 9. Cell in _______ Solution
10% NaCL 90% H2O
CELL
20% NaCL
80% H2O
What is the direction of water movement?

19. Answer 9: hypotonic solution

20. Challenge Question: Label all of the Red Blood Cells solutions

21. Osmosis in Red Blood Cells
Isotonic
Hypertonic
Hypotonic