• UNIT 1. INORGANIC CHEMISTRY
  • UNIT 2. INTERMOLECULAR FORCES, WATER, AND ACIDS AND BASES
  • UNIT 3. CARBOHYDRATES
  • UNIT 4. LIPIDS, NUCLEIC ACIDS, AND PROTEINS
  • UNIT 5. CELL MEMBRANES-STRUCTURE AND CELL FUNCTION
  • UNIT 6. PROKARYOTES AND VIRUSES
  • UNIT 7. ENERGY BALANCE
  • UNIT 8. GLYCOLYSIS AND CITRIC ACID CYCLE
  • UNIT 9. ELECTRON TRANSPORT CHAIN
  • UNIT 10. PHOTOSYSNTHESIS
  • UNIT 11. CELLULAR TRANSPORT AND CELLULAR SIGNALING
  • UNIT 12. CELL DIVISION AND CANCER
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  • Translations
  • 12.1

    Cell Division

    Of all the pathways in cellular function, perhaps none other pathway is more tightly controlled than the pathways involved in cell growth and division. These processes are collectively called the cell cycle. Cell cycles differ between prokaryotic and eukaryotic cells, and between the gametes and somatic cells of more complex eukaryotes. The cell cycle in prokaryotes is called binary fission. In eukaryotic cells the processes of the cell cycle in somatic cells can be organized into two broad categories: interphase and mitosis. The gamete cell cycle is called meiosis and is a topic of Bio 181. Interphase represents cell growth and where DNA is replicated, mitosis represents cell division. Cells will cycle through interphase then mitosis and back to interphase. The most important result of the cell cycle is the replication (copying) and movement of the DNA. To help facilitate this movement, the vast array of DNA will be organized into structures called chromosomes. 

    ChromosomesInterphase

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