Type 1 diabetes in humans is a condition where the pancreas does not produce enough insulin to control blood glucose concentration. Test strips are used to measure the concentration of glucose in a sample of urine. Two reactions take place on the test strip and a colour change occurs if glucose is present in the urine. (i) Identify compound $$\(\mathbf{A}\)$$ and the type of substrate represented by $$\(\mathbf{B}\)$$. A .................................................................................................................................... .. B .................................................................................................................................... . (ii) Most people with diabetes mellitus use a biosensor to obtain their blood glucose concentration. Suggest the advantages of using a biosensor rather than test strips. ....................................................................................................................................... . ....................................................................................................................................... . ....................................................................................................................................... . ....................................................................................................................................... . ....................................................................................................................................... . .................................................................................................................................

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