anatomy

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Author:
Noelle
ID:
190356
Filename:
anatomy
Updated:
2012-12-20 18:39:01
Tags:
Cells chapter
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Description:
semester review
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  1. describe a genralized cell?
    • nucleus
    • cytoplasma
    • plasma membrane
  2. bimolecular layer of lipids and proteins in a constantly changing mosaic
    plasma membrane
  3. Fluid outside of cell
    extracellular fluid
  4. Fluid w/in cells
    intrastitial fluid
  5. Phospholipid heads are?
    polar/hydrophilic
  6. Phospholipid tails are?
    nonpolar/ hydrophobic
  7. Membrane lipids?
    • 1.phospholipids
    • 2.glucolipids
    • 3. cholesterol
    • 4. rafts
  8. Membrane proteins?
    • 1. integral
    • 2. peripheral
  9. - firmly in plasam membrane
    -transport proteins
    integral proteins
  10. -lossely attached
    -enzymes, motor proteins
    peripheral
  11. prevent molecule from passing through
    -impermeable
    tight junction
  12. "binding bodies"
    -anchors
    -help form an internal tension
    desmosome junction
  13. -communicating from one cell to another
    gap junctions
  14. transport that requires energy
    active transport
  15. transport that doesnt require energy
    passive
  16. Types of passive transport?
    • diffusion-simple, faciltated, osmosis
    • filteration
  17. Types of active transport?
    • active
    • vesicular
  18. Movement of molecule from high concentration to low concentration?
    diffusion
  19. Facilitated transportation requires what 2 things?
    • 1.carrier
    • 2. channel
  20. Movement of fat solute molecules that go through the phospholipid bilayer
    simple diffusion
  21. Diffusion of water molecules of high water concentration to low concentration
    osmosis
  22. Osmosis is carried out by what 2 ways?
    • 1. water wiggles through bilayer
    • 2.aquaporins: channels
  23. Ability of a solution to cause a cell to shrink
    tonicity
  24. a solution with the same solute concentration on both sides
    isotonic
  25. Division of nucleus? 
    mitosis
  26. Nucleoi dissappears
    chromosome appear
    spindle fibers on centromere
    prophase
  27. full spindle is formed
    chromosome lined up in center(equator)
    metaphase
  28. Chromosome split and go on opposite poles from one another
    anaphase
  29. chromosome reappear
    2 nucleoi for a short period
    nuclear envelope returns
    telophase

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