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Journey of Cells: Unraveling the Cell Cycle Mystery

Uncover the secrets of where new cells come from and delve into the fascinating world of DNA, RNA, and proteins. Learn how different cells have varying lifespans and discover the intricate process of the Cell Cycle, including Mitosis and Cytokinesis. Explore the phases of Interphase, Mitosis (PMAT), and Cytokinesis to understand the division and growth of cells. Engage with thought-provoking questions about cell replacement, growth phases, and the role of DNA in creating new cells. Join us on this educational journey to unlock the mysteries of cell development.

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Journey of Cells: Unraveling the Cell Cycle Mystery

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  1. Where do new cells come from? The Cell Cycle Mystery

  2. Standard: • BI5. a. Students know the general structures and functions of DNA, RNA, and protein. • Standard Explanation-DNA-double helix-contains genetic info, RNA-single-stranded, copy of a section of DNA, protein-make up many parts of the body

  3. Objectives: SWBAT… • Explain the origin of new cells. • Describe the structure and function of DNA.

  4. Life Span of Cells • Skin cell-two weeks • Red blood cell-4 months • Liver cell-300-500 days • Intestine-(muscle)-16 years

  5. How do we get from one cell to many cells?

  6. DNA contains the information to make more cells (in the nucleus).

  7. The Cell Cycle-DNA is copied and the cell divides. (Mitosis and Cytokinesis)

  8. The Cell Cycle • Interphase-G1(growth),S(DNA synthesis), G2 (growth) • Mitosis-PMAT (Division of cell membrane and nucleus) • Cytokinesis-Division of cytoplasm

  9. Summary Questions: • How often does your body replace cells in your intestines? • During which phase do cells go through normal growth? • Where is the information contained to make new cells? • What occurs during Mitosis?

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