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Cell Structure & Function

Cell Structure & Function. http://koning.ecsu.ctstateu.edu/cell/cell.html. Red is your subject (left side) Navy Blue is your info (right side). Cell Theory. All living things are made up of cells Cells are the smallest working units of all living things

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Cell Structure & Function

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  1. Cell Structure & Function http://koning.ecsu.ctstateu.edu/cell/cell.html

  2. Red is your subject (left side)Navy Blue is your info (right side)

  3. Cell Theory • All living things are made up of cells • Cells are the smallest working units of all living things • All cells come from preexisting cells through cell division.

  4. Definition of Cell A cell is the smallest unit that is capable of performing life functions

  5. Red Blood Cell Nerve Cell Plant Stem Bacteria Amoeba Proteus Examples of Cells

  6. Cell Parts aka Organelles

  7. Cell Membrane • Outer membrane of cell that controls movement in and out of the cell • Double layer • Nickname: Border Patrol • Analogy: Border http://library.thinkquest.org/12413/structures.html

  8. Cell Wall • Most commonly found in plant cells • Supports & protects cells • Nickname: Tree Bark • Analogy: brick wall http://library.thinkquest.org/12413/structures.html

  9. Nucleus • Directs cell activities • Contains genetic material – DNA • Nickname: Control Center • Analogy: City Hall

  10. Cytoplasm • Gel-like mixture • Surrounded by cell membrane • Nickname: Jello • Analogy: atmosphere (air)

  11. Ribosomes • Each cell contains thousands • Make proteins • Found on Endoplasmic Reticulum & floating throughout the cell • Nickname: Ribs!! • Analogy: Lumber Mill http://library.thinkquest.org/12413/structures.html

  12. Mitochondria • Produces energy through chemical reactions – breaking down fats & carbohydrates • Nickname: Powerhouse • Analogy: Power Plant http://library.thinkquest.org/12413/structures.html

  13. Vacuoles • Membrane-bound sacs for storage, digestion, and waste removal • Usually contains water • Much larger in plant cells • Nickname: Ziploc bag • Analogy: Water Tower http://library.thinkquest.org/12413/structures.html

  14. Chloroplast • Usually found in plant cells • Contains green chlorophyll • Where photosynthesis takes place • Nickname: greenhouse • Analogy: solar panels http://library.thinkquest.org/12413/structures.html

  15. Lysosome • Digestive organelle for proteins, fats, and carbohydrates • Transports undigested material to cell membrane for removal • Cell breaks down if lysosome explodes • Nickname: Garbageman • Analogy: Waste Management http://library.thinkquest.org/12413/structures.html

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

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

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