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Where do new cells come from?

Where do new cells come from?. The Cell Cycle Mystery. Standard:. BI5. a. Students know the general structures and functions of DNA, RNA, and protein.

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Where do new cells come from?

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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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