1. Type in http://www.biology.arizona.edu/cell_bio/cell_bio.html
2. Click on "The cell cycle and mitosis".
3. Click on "DNA Basics".
4. You should now bw on a pgae titled "DNA Basics".
5. Answer the folowing:
a)What is a histone?
b)Why are they important?
c)What is a nucleosome?
6. Click on the "Back" button at the top of the page.
7. Click on the "Cell Cycle".
8. Answer the following :
a)What are the stages of the cell cycle?
b)What kind of cells are not considered to be in the cell cycle?
c)When does DNA replication occur?
d)When do chromosomes separate?
e)What is cytokinesis? When does it occur?
f)How do cells become cancerous?
9. Click on the "Back" button.
10.Click on "Mitosis".
11. Answer the following
a)What is mitosis?
b)Which phase is not really a phase of mitosis? What stages of the
cell cycle does it encompass?
c)Briefly explain mitosis from Prophase to Cytokenisis.
d)How does cytokenisis differ in plants and animals?