Name:____________________________________________ Date
Name:____________________________________________ Date:______________________ Period:_______
Plasma Membrane Structure and Function
1. Describe the fluid mosaic model of the cell (plasma) membrane.
2. List and describe 5 functions of the cell membrane.
| |Function |Description |
|1. | | |
|2. | | |
|3. | | |
|4. | | |
|5. | | |
3. The cell or plasma membrane is made of a variety of molecules including phospholipids, carbohydrates, and proteins. Below is a diagram of a small section of a plasma membrane. Select three different colors and color the coding circles and corresponding structures in the diagram. Then answer the questions that follow, referring to the diagram and your textbook.
|( |Phospholipid Molecules |( |Carbohydrate Molecules |( |Protein Molecules |
[pic]
4. What is the term used for the cell’s interior?__________________________________________________
5. What is the term used for the cell’s exterior? _________________________________________________
6. What type of protein is E?_________________________________________________________________
7. What is the name for the carbohydrate – rich area indicated by letter A?___________________________
8. What is the importance of letter A in cell interactions?
9. Which area of the phospholipid, B or C, is hydrophobic? _____________________
10. What does hydrophobic mean?
11. What type of protein is D?_________________________________________________________________
12. Membrane proteins perform many tasks. List 6 tasks that proteins perform.
1.
2.
3.
4.
5.
6.
13. List the three types of lipids found in the plasma membrane.
1. 2. 3.
14. Below is a diagram of a phospholipid. Color the hydrophobic area red and the hydrophilic area blue.
-----------------------
Extracellular
Intracellular
15. Define the following:
hydro = ___________________________
- phobic = _________________________
- philic = __________________________
16. List and then describe 3 types of extracellular materials.
1.
2.
3.
................
................
In order to avoid copyright disputes, this page is only a partial summary.
To fulfill the demand for quickly locating and searching documents.
It is intelligent file search solution for home and business.
Related searches
- me and name or name and i
- name and i vs name and me
- date to date time calculator
- subtract today s date from another date excel
- date to date duration calculator
- date from a date calculator
- calendar date to date calculator
- from date to date calculator
- character date to numeric date sas
- convert character date to numeric date sas
- date to date duration calendar
- date to date calculator