the stomata

• where is the stomata found


  on the lower epidermis
• what is the function of the stomata


  Controls the entrance and exiting of gasses
• what surrounds the stomata as well as opens and closes it


  2 duard cells
• what do the guard cells contain that no other lower epidermal cells contains


  chloroplasts
• on the stomata which cell wall is thick and which is thin


  the inner cell wall is thick and the outer cell wall is thin
• what happens if the guard cells become turgid


  the pore opens
• what happens if the guard cells become flaccid


  the pore closes
• what ion controles whether the guard cells are flaccid or turgid

  potassium ions
• how do potassium ions control the guard cells


  when the potassium ions are actively transported into the guard cells the concentration gradient increase which causes water to move in more easily
• How is malate formed?


  the stored starch in the guard cells is conveted into malate
• what is found just before the stomata inside the leaf


  sub-stomatal air chamber