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Nutrition in Plants - Coggle Diagram

- - - - Allows for rapid diffusion of gases inside leaf
  - - - Allows for gaseous exchange
  - - - Water from adjacent epidermal cells enter guard cells
      - Guard cells swell, become turgid
      - Causes guard cells to become curved & pull stoma open
    - - K+ ions diffuse out of guard cells
      - Water potential in guard cells incr., lead to exit of water via osmosis
      - Guard cells become flaccid and stoma closes
- - - - (Iodine Test) Areas exposed to sunlight turn blue-black
    - - (Iodine Test) Areas cont. chlorophyll turn blue-black
    - - (Iodine Test) Areas exposed to CO2 turn blue-black
  - - - Reactions are enzyme dependent
        
        Low temp.
        
        Enzymes are inactive
        
        High temp.
        
        @ Extreme temp. (higher thn. optimum), enzymes denature
    - - Directly affects/limits a process if quantity/concentrat. is altered
  - - - Combined to form protein for syntheiss of new protoplasm in leaf
      - Excess transported away for synthesis of new protoplasm/storage as proteins
  - - - Chemic. energy stored in plants transferred to other organisms thru. feeding
      - Purifies atmosphere by removing CO2 & releasing O2 as byproduct
      - Coal formed frm. trees provide source of fuel