Whether the oxygen in co2 comes from sugar or oxygen gas

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Q1. How may you use a radioactive isotope to find out whether the oxygen in CO2 comes from sugar or oxygen gas?

Animals get energy through a sequence of chemical reactions in which sugar (C6H12O6) and oxygen gas (O2) are reactants. This process produces water (H2O) and carbon dioxide (CO2) as waste products. How might you use a radioactive isotope to find out whether oxygen in CO2 comes from sugar or oxygen gas?

Q2. After having a severe cold accompanied by nasal congestion, Jamila complained that she had a headache just above her eyes and that the right side of her face ached. What specific bony structures most likely became infected by the bacteria or viruses causing the cold?

Reference no: EM137216

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