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Honors Biology: Unit 3 - Coggle Diagram

- - - - Conducted through carrier protein
      - Ex. N+ ions
    - - Conducted through channel protein
      - Ex. Glucose
  - - - Vesicle envelops molecule
      - Vesicle transports molecule
      - Vesicle releases molecule & dissolves
- - - - Hydrophobic tails
      - Hydrophillic heads
    - - Easy for small, uncharged molecules to pass
      - Larger/charged molecules can't pass through
  - - - Carrier Proteins
        
        Moves a specific molecule
        
        Works only after recieving appropriate signal
        
        Used for larger/charged molecules
        
        Ex. Channels for nitrogen ions
      - Channel Proteins
        
        Moves a specific type of molecule
        
        Used for larger/charged molecules
        
        Ex. Glucose channels
        
        No limit on amount passing through
      - Transport proteins
        
        Moves molecules against concentration gradient
        
        Requires ATP (energy)
        
        Ex. Sodium-Potassium pump
      - Exposed to both extracellular matrix & interior of cell
    - - Located in interior of cell
      - Helps secure membrane to interior
    - - Exposed to extracellular matrix
      - Sends/Receives signals
- - - - More water outside the cell than in
      - Net-gain/net-in movement
      - Causes the cell to swell & burst
    - - Same amount of water (equillibirum)
      - No net-movement of water
    - - More water inside the cell than outside
      - Net-loss/net-out movement