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Cell Structure

This article explores the components and principles of cell structure, including the Cell Theory, eukaryotic and prokaryotic cells, organelles, and the molecular processes that occur within cells.

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Cell Structure

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  1. Cell Structure An hypothesis originally proposed that all organisms are composed of cells. Over time, the concept has withstood scientific confirmation to now encompass 3 principles in the Cell Theory: 1) All organisms are composed of 1 or more cells and the life process of metabolism and heredity occur within those cells 2) Cells are the basic units of organization of all organisms 3) Cells arise by the division of pre-existing cells

  2. A generalized Eukaryotic cell

  3. Structure of an animal cell

  4. Structure of a plant cell

  5. A generalized Prokaryotic cell

  6. Relative size ranges Most cells are microscopic, although vertebrate egg cells are large enough to be seen with the naked eye. Prokaryotic cells are ~ 1 – 10 um in length Eukaryotic cells are ~ 10 – 100 um in size

  7. Surface area per unit volumeSmall cells vs. Large cells

  8. Nuclear ultrastructure

  9. Supercoiling of DNA w/i chromosome

  10. Endoplasmic reticulum

  11. Protein Synthesis along the ER

  12. The Golgi apparatus

  13. How proteins are processed

  14. Lysosome function

  15. Ribosome structure

  16. Mitochondrion structure

  17. Chloroplast structure

  18. Representative animal cell

  19. Representative Plant cell

  20. Structures of the Cytoskeleton

  21. Microfilament

  22. Microtubule structure

  23. Intermediate filament

  24. Centrioles

  25. Molecular motor

  26. Flagellum and cilium

  27. The Central Vacuole of Plant cells

  28. Primary and secondary plant cell walls

  29. Glycocalyx of eukaryotic cell

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