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Section 2: Types of Cells

Section 2: Types of Cells. Cell Theory (Review). All organisms (living things) are composed of one or more cells. The cell is the basic unit of (life) structure and organization of organisms. All (new) cells come from preexisting cells.

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Section 2: Types of Cells

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  1. Section 2: Types of Cells

  2. Cell Theory (Review) • All organisms (living things) are composed of one or more cells. • The cell is the basic unit of (life) structure and organization of organisms. • All (new) cells come from preexisting cells. • Cell contain hereditary information (DNA) which is passed from cell to cell during cell division

  3. Two Types of Cells • Cells can be subdivided into the following subcategories: • Prokaryotes: Unicellular • Eukaryotes: Multicellular

  4. Prokaryotic • Prokaryotes lack a nucleus and other membrane-bound organelles (contain ribosomes). • Few internal structures. • Bacteria are one-celled prokaryotes.

  5. Eukaryotic • Contain a nucleus and organelles surrounded by membranes (mitochondria, chloroplasts, lysosomes, vacuoles, etc.) Animal Plant

  6. “Typical” Animal Cell http://web.jjay.cuny.edu/~acarpi/NSC/images/cell.gif

  7. “Typical” Plant Cell http://waynesword.palomar.edu/images/plant3.gif

  8. Hierarchy of Biological Order

  9. Kingdoms Contain ALLOrganisms Macromolecule

  10. 5 Kingdoms each containing cells

  11. Bacteria (Kingdom Monera)

  12. Bacteria are made of cells

  13. 5 Kingdoms each containing cells

  14. Euglena are unicellular (Kingdom Protista)

  15. An Amoeba is unicellular (Kingdom Protista)

  16. Amoeba

  17. Spirogyra (Kingdom Protista)

  18. Volvox (Kingdom Protista)

  19. Kelp forest (Algae) (Kingdom Protista)

  20. 5 Kingdoms each containing cells

  21. Yeast Cells (Kingdom Fungi)

  22. 5 Kingdoms each containing cells

  23. All plants are made of cells

  24. Plant Cells

  25. Plants Cells

  26. 5 Kingdoms each containing cells

  27. All animals are made of cells

  28. Bones are made of cells

  29. Muscles are made of cells

  30. More Cell Types!

  31. Nerve cells

  32. Nerve Cells

  33. Red Blood Cells

  34. White Blood Cell

  35. Red and White Blood Cells

  36. Comparison of Cells

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