Download Move the mouse over the picture of the cell. Find and

Name: ___________________________________________________________ Date: __________________ Period: ________
The Virtual Cell
Directions: Answer the questions below by visiting the following web site.
http://www.ibiblio.org/virtualcell/tour/cell/cell.htm
Move the mouse over the picture of the cell. Find and click “The Nucleus”
1. a. What is the nucleus often called?
b. Why is it called this?
a. _____________________________________________________________________________________________
b. _____________________________________________________________________________________________
2. Which type of cells contains a nucleus?
b. What are the openings of the nuclear
membrane called?
a. _____________________________________
b. ______________________________________
Cut the Nucleus. Zoom in and rotate to get a better view of the nucleus. Click the ► when ready.
3. List two things that are found inside the nucleus.
a. _____________________________________
b. ______________________________________
Dissolve the Nucleus. Click the ► when ready.
4. What is the function of the following?
a. Nucleolus? _________________________________________________________________________________
b. Chromatin? _________________________________________________________________________________
Zoom in to get a good look at the contents of the nucleus. Click “Return to the Complete Cell”
Move the mouse over the picture of the cell. Find and click “The Mitochondrion”
5. What is the mitochondrion called? ________________________________________________________________
Cut the membrane. Zoom in to look at the folds inside the mitochondria. Click the ► when ready.
6. What takes place at the mitochondrion? __________________________________________________________
Cut the inner membrane. Click the ► when ready.
7. What are two reasons why scientists think the mitochondria evolved from symbiotic bacteria?
_____________________________________________________________________________________________________
Move the mouse over the picture of the cell. Find and click “The Chloroplast”
8. What takes place at the chloroplast? ______________________________________________________________
Cut the chloroplast. Zoom in to get a better view. Click the ► when ready.
9. Chloroplast descriptions:
a. Stack like parts: ____________________________________
b. Membrane connecting the stacks: ___________________________________
Dissolve the chloroplast. Click the ► when ready.
Move the mouse over the picture of the cell. Find and click “The Lysosome”
10. Lysosome basics:
a. Lysosome nickname? ______________________________________________________________________
b. Created by which organelle? _______________________________________________________________
c. What is found inside the lysosome? _______________________________________________________
Cut the lysosome and zoom in to get a better look. Click the ► when ready.
11. What do the lyosomes dissolve? __________________________________________________________________
12. What happens during autolysis? __________________________________________________________________
_____________________________________________________________________________________________________
Dissolve the lysosome and click the ► when ready.
13. Explain two ways that the lysosome helps you.
a. _____________________________________________________________________________________________
b. _____________________________________________________________________________________________
Move the mouse over the picture of the cell. Find and click “The Smooth ER”
14. a. What does “ER” stand for?
b. Why is the smooth ER smooth?
a. _____________________________________________________________________________________________
b. _____________________________________________________________________________________________
Cut the ER and zoom in to get a better look. Click the ► when ready.
15. What is the ER a pathway between? ______________________________________________________________
Move the mouse over the picture of the cell. Find and click “The Rough ER”
16. Why can’t you see the rough or smooth ER? _____________________________________________________
Cut the membrane and zoom in to get a better look. Click the ► when ready.
17. a. What is attached to the rough ER?
a. ___________________________________
b. What is the function of the ribosome?
b. __________________________________________
Move the mouse over the picture of the cell. Find and click “Golgi Body”
18. a. What is the function of the Golgi body?
b. Which cell part passes proteins to the Golgi
body?
a. _____________________________________________________________________________________________
b. _____________________________________________________________________________________________
Click “See the Golgi Work”
Move the mouse over the picture of the cell. Find and click “Centriole”
19. a. Which types of cells have centrioles?
a. _______________________________________
b. What do they function in?
b. ________________________________________
Move the mouse over the picture of the cell. Find and click “Cell Membrane”
20. What is the function of the cell membrane? ______________________________________________________
_____________________________________________________________________________________________________