Cells

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Author:
lags143
ID:
278442
Filename:
Cells
Updated:
2014-07-08 19:26:02
Tags:
cells anatomy
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Description:
everything about cells
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  1. it makes up all living things
    Cells
  2. also called plasma membrane

    surrounds the cytoplasm of the cell and acts as a protective covering
    cell membrane
  3. responsible for allowing materials into and out of the cell
    cell membrane (selectively permeable)
  4. requires no extra form of energy to complete
    passive transport
  5. types of passive transport
    • diffusion
    • osmosis
    • filtration
    • facilitated diffusion
  6. substance of a higher concentration travels to an area of lesser concentration
    diffusion
  7. water travels through a selective permeable membrane until concentrations of a substance are equalized
    osmosis
  8. the pressure is applied to force water and its dissolved materials across a membrane
    filtartion
  9. also called carrier mediated passive transport
    facilitated diffusion
  10. substance is helped in moving across the membrane
    facilitated diffusion
  11. types of active transport
    • active transport pumps
    • endocytosis
    • exocytosis
  12. uses a protein carrier to move a specific substance across the cell membrane (requires energy, adenosine triphosphate)
    active transport pumps
  13. intake of fluid and food when the substance is too large to diffuse across the cell membrane
    endocytosis
  14. solid particle is being engulfed by a cell
    phagocytosis
  15. liquid is involved in the intake
    pinocytosis
  16. the cell needs to transport substance out of itself
    exocytosis
  17. watery solution of organic and inorganic chemicals enclosed in the cell membrane
    cytoplasm
  18. brain of the cell

    dictates the activities of the organelles
    nucleus
  19. contains DNA
    chromatin
  20. synthesize ribonucleic acid (RNA) that forms ribosomes
    nucleolus
  21. contains RNA
    ribosomes
  22. contains centrioles that are involved in the division of the cell
    centrosomes
  23. power house of the cell

    creates adenosine triphosphate (ATP)
    mitochondria

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