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Cell Division. Chromosomes  Are made of DNA  Each chromosome consists of sister chromatids attached at a centromere.

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Presentation on theme: "Cell Division. Chromosomes  Are made of DNA  Each chromosome consists of sister chromatids attached at a centromere."— Presentation transcript:

1 Cell Division

2 Chromosomes  Are made of DNA  Each chromosome consists of sister chromatids attached at a centromere

3 Introduction to Cell Cycle  http://www.copernicusproject.ucr.edu/ssi/ HighSchoolBioResources/Cell%20Division/ Mitosis/Introduction__Cell_Cycle__Mitosis _and_Cytoplasmic_Division_.asf http://www.copernicusproject.ucr.edu/ssi/ HighSchoolBioResources/Cell%20Division/ Mitosis/Introduction__Cell_Cycle__Mitosis _and_Cytoplasmic_Division_.asf http://www.copernicusproject.ucr.edu/ssi/ HighSchoolBioResources/Cell%20Division/ Mitosis/Introduction__Cell_Cycle__Mitosis _and_Cytoplasmic_Division_.asf

4 Cell Cycle  During the cell cycle, a cell grows, prepares for division, and divides to form 2 daughter cells, each with each of which then begins the cycle again.  Interphase – time for growth and regular cell activity.  Most of a cells life is spent in Interphase.

5 Mitosis  The division of somatic or regular cells.  Its divided into 4 phases.  Remember Interphase is NOT part of Mitosis.

6 Regulating the Cycle  A protein call cyclin helps regulate the cell cycle in eukaryotic cells.  They respond to internal and external events. These proteins are regulators.

7 Cancer  http://www.copernicusproject.ucr.ed u/ssi/HighSchoolBioResources/Cell% 20Division/Mitosis/Cancer_Cells.asf http://www.copernicusproject.ucr.ed u/ssi/HighSchoolBioResources/Cell% 20Division/Mitosis/Cancer_Cells.asf http://www.copernicusproject.ucr.ed u/ssi/HighSchoolBioResources/Cell% 20Division/Mitosis/Cancer_Cells.asf


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