1. Cell Theory & Cell Division

2. 1. All living things are made of cells
Cell Theory
1. All living things are made of cells

3. Which of the following is made of cells?
Rock
Bacteria
Fish
Skin
Glass
Eyelashes
Question 2:
Which of these are made of atoms?

4. (they contain different parts with their own jobs)
Cell Theory
2. Cells have structure
(they contain different parts with their own jobs)

5. 3. All cells come from other cells
Cell Theory
3. All cells come from other cells

6. 4. Cells contain DNA or genetic information
Cell Theory
4. Cells contain DNA or genetic information

7. 2 Types of Cells 1. Eukaryotic = Has a Nucleus
2. Prokaryotic = Has NO Membrane Bound Nucleus

8. To help you remember…
Pro = NO!
Eu = YES!

9. How do Cells Divide?

10. Mitosis Videos Cell Cycle & Cancer Mitosis As you watch:
Why is it important for your cells to divide?
What are the 4 main parts of Mitosis?

11. Why is it important for cells to divide?
Helps you grow
Helps heal wounds
Replaces old, worn out cells

14. Before a cell divides… Interphase 90% of cell life
Cell is working, doing its job
Towards the end, begins to make a copy of its DNA

16. Steps of Mitosis: PMAT 1. Prophase P = Prepare
Cell makes a copy of DNA
DNA condenses into chromosomes

17. Steps of Mitosis: PMAT 2. Metaphase M = Middle Nucleus “dissolves”
Chromosomes line up in the
middle of the cell

18. Steps of Mitosis: PMAT 3. Anaphase A = Away Chromosomes are
pulled apart

19. Steps of Mitosis: PMAT 4. Telophase T = Two Twins
Splits into two identical
nuclei and cells

20. Identify the Steps of Mitosis
A) B)
Identify the Steps of Mitosis
C) D)

21. B A D C

22. Meiosis- division of sex cells
It is what makes you male or female
PMAT x 2 then cytokenesis

23. Steps of Meiosis