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Ch. 12 Transport Processes, image, graphic displaying active transport,…

- - - - isolation barrier
      - nothing passes through
    - - only certain substances pass through
      - all lipid/protein membranes
      - aquaporins
        
        protein channels
        
        allow water to rapidly pass
    - - all solutes to move through
      - little biological significance
    - - molecular pumps
        
        use ATP to force across membrane
      - low to high concentration
- - - - cells burst
      - plant cells can never burst
    - - point protoplast lost water
      - enough to pull away from wall slightly
    - - protoplast pulls away completely
      - shrinks
  - - - the effect pressure has on water potential
    - - units of pressure
      - potential measure in
    - - water's adhesion
      - non dissolved structures
    - - effect solutes have on water potential
- - - - Disaccharides
      - Monosaccharides
  - - - carried along with P-protein
      - contributes to plug
- - - - water loss from stomata
    - - water loss directly through cuticle
    - - model movement of water
      - vascular plants
    - - body water content
      - changes w habitat moisture
    - - hydrogen bonding broken
      - water column breaks
    - - space (air bubble)
      - expands until encounters solid barrier
  - - - when adequate water supply
  - - - any force acting on molecule
      - force acts on neighboring ones
    - - molecules interact w other substances