(a)[1]
Name the mechanism that keeps blood glucose concentration around a set point.
(b)[3]
Explain the pattern shown in Fig. 10.1 from 15 minutes to 70 minutes.
(c(i))[2]
Identify compound A and state the type of substrate shown by B. The reactions are: $\text{glucose} + \text{oxygen} \xrightarrow{\text{glucose oxidase}} A + \text{hydrogen peroxide}$ $\text{hydrogen peroxide} + B \xrightarrow{\text{peroxidase}} \text{oxidised } B + \text{water}$
(c(ii))[2]
Most people with diabetes mellitus use a biosensor to measure their blood glucose concentration. Suggest the advantages of a biosensor over test strips.