October 27, 2011

2.76a Excretion in Plants

Topic 6: Excretion
2.67a recall the origin of carbon dioxide and oxygen as waste products of metabolism and their loss from the stomata of a leaf

  1. Photosynthesis: CO2 + H2O èC6H12O6 + O2
    • The release of Oxygen as a waste product in photosynthesis is an example of excretion
  2. Respiration: C6H­12O6 + O2 è ATP + CO2 + H2O
    • Carbon Dioxide is given off by the plant; it is a metabolic waste, the carbon dioxide is excreted.

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