1. Cell Cycle (Mitosis)

2. Cell Cycle 1. All living organisms are composed of cells.
e. cells divide to increase their numbers through a process of mitosis, which results in two daughter cells with identical sets of chromosomes.

3. Cell Cycle 6 phases Interphase Prophase Metaphase Anaphase Telophase
Cytokinesis
Phases of Mitosis

4. The Complete Cell Cycle

5. Chromosome Structure
Centromere

6. Chromosome Structure So 1 chromatid + 1 chromatid = 1 Chromosome

7. Interphase THE CELL: grows to it’s mature size
makes a _____ of its DNA
prepares to _______ into two cells
Copy
Divide

8. The DNA condenses

9. Prophase the nucleus breaks down
Chromatin
the __________ condenses (gets thicker) to form chromosomes, which are two chromatids attached by a ____________.
_______ fibers stretch out to opposite ends of the cell
the nucleus breaks down
Centromere
Spindle

10. Metaphase the __________ line up in the middle of the cell
spindle fibers attach to the __________ of the chromosomes
Chromosomes
Centromere

11. Anaphase ____________ split and the chromatids separate
Centromeres
____________ split and the chromatids separate
chromatid to opposite ends of the cell being pulled by the ___________
the cell begins to become stretched out
Spindle Fibers

12. Telophase the __________ reappears – two nuclei but one cell
chromosomes begins to loosen up (start to become string again)
Nucleus

13. Cytokinesis the cell divides and two new ___________ cells are formed
chromosomes loosen up and become chromatin again
Daughter