Edexcel IGCSE Biology Double Award Revision
A guide to the Edexcel IGCSE Biology Double Award Syllabus for 2020
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GCSE RS
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Sunday, 26 June 2016
2.33 understand gas exchange (of carbon dioxide and oxygen) in relation to respiration and photosynthesis
2.33 •photosynthesis: •6CO2 + 6H2O———> C6H12O6 + 6O2 + 6H2O
•the plant takes in carbon dioxide, and gives out oxygen
•respiration: •C6H12O6 + 6O2———>6CO2 + 6H2O
•it dispels carbon dioxide
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