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TODAY’s Class is on… Cell Structures

TODAY’s Class is on… Cell Structures. Introduction to Cells: http ://www.youtube.com/watch?v=gFuEo2ccTPA. Agenda Misconceptions of Cells vs Atoms Finish up Cell Theory: Stem Cells Label Organelles Cells Sheet Introduce Virus Homework Assignment. Misconception

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TODAY’s Class is on… Cell Structures

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  1. TODAY’s Class is on…Cell Structures

  2. Introduction to Cells: http://www.youtube.com/watch?v=gFuEo2ccTPA

  3. Agenda • Misconceptions of Cells vs Atoms • Finish up Cell Theory: Stem Cells • Label Organelles Cells Sheet • Introduce Virus Homework Assignment

  4. Misconception Students confuse models of cells with atoms…oh no!

  5. Holds neutrons and protons Contains and guards the nucleus which houses the cell's genetic material

  6. VS Atoms are not alive. They do not divide like cells. Splitting an Atom Splitting a Cell

  7. Atom and Cells are Fundamental Units All matter is composed of atoms Cell Theory states: All organisms are composed of one or more cells. 2. The cell is the most basic unit of structure and organization in all organisms 3. All cells arise from pre-existing cells

  8. Size Comparison: http://www.youtube.com/watch?v=0fKBhvDjuy0 http://www.youtube.com/watch?v=fUAFqkS7y9M Understanding Scale is Important

  9. Next Topic: Stem Cells Stem Cells contain the capacity to divide and differentiate along different pathways. Eg. Blood cells, Skin cells, etc.

  10. Positives: Stem Cell Therapy BBC (4min) http://www.youtube.com/watch?v=cEB8656TCIE

  11. Concern: Using Human Embryo (less than 4 days old)

  12. Discussion • One side: The creation of a human embryonic stem cell line requires the destruction of human embryo. • Other side: Medical treatments using stem cells could be developed for a wide range of conditions: eg. Blindness, Parkinson’s, Deafness, Spinal Cord damage. • Should we use stem cells? • Does the human embryo have human rights? • Think, Pair up and • Share your thoughts

  13. Label These Organelles: • Cell Membrane • Nucleus • Cell Wall • Cytoplasm • Cytoskeleton • Ribosomes • Smooth vs Rough Endoplasmic Reticulum • Golgi Apparatus • Mitochondria • Lysosomes • Cilia and Flagella • Centrioles • Vacuoles • Plastids Next Activity: Labeling Parts of Cells

  14. ie cells found in animal, plant and fungi ie Bacteria like E. coli

  15. Go on Weebly and you will see homework for next class • You will investigate a virus and present your finding next class • Must come in prepared with notes of the functions of organelles. • Instructions are on Weebly Homework for Next Class:

  16. Crash Course on Eukaryotes: http://www.youtube.com/watch?v=cj8dDTHGJBY • Cellular State of Mind Youtube Video: http://www.youtube.com/watch?v=jqUhWDp73bM • A Stem Cell Story: • http://www.youtube.com/watch?feature=player_embedded&v=2-3J6JGN-_Y Extra Videos

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