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Process of Cell Division

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Presentation on theme: "Process of Cell Division"— Presentation transcript:

1 Process of Cell Division
10.2 Process of Cell Division

2 Chromosomes Made of DNA and proteins
Prokaryotes – single circle of DNA Eukaryotes – DNA is wrapped around histone proteins to protect it and make it fit in nucleus = chromatin Chromatin condenses into chromosome shape before cell division

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4 When chromosomes copy, each new copy is a chromatid (or sister chromatid)
Sister chromatids are held together at the centromere by a kinetochore protein

5 Cell Cycle Prokaryotes Cell grows Copies DNA
Membrane pinches in between 2 copies of DNA 2 new genetically identical cells formed = binary fission

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7 Eukaryotes more complex 4 (5) phases; length of phase depends on type of cell

8 G1 phase – S phase – G2 phase – M phase – * Mitosis – * Cytokinesis -

9 G0 phase – when cell exits cycle and lives its life


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