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Edexcel GCE (AS) Biology 05
2017/06/05 22:26
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Edexcel GCE (AS) Biology 05

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Suggest two functions of the large air spaces in the lesf. 更新: Sorry. The question should be " Suggest two functions of the large air spaces in the leaf. "

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1. Space for gaseous exchange(e.g. CO2, O2) 2. Allow evaporation of water from surface of palisade mesophyll cells

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