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    HSC Biology Marathon 2017

    All questions so far seem to have been answered, so I'll throw another question in, if no one minds: Describe the main changes in blood composition as it travels around the body and identify the tissues in which these changes occur. (5 marks ?) Not sure how much this would be worth o:
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    HSC 2017 Chemistry Marathon

    Re: HSC Chemistry Marathon 2017 The fermentation of glucose involves the breaking down of glucose into ethanol and carbon dioxide by microbial enzyme action, especially that of yeast. Equation: glucose -> ethanol + carbon dioxide gas C6H12O6 (aq) -> 2C2H5OH(aq) + 2CO2(g) The optimal...
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