(a)[4]
Complete Table 4.2 so that it shows the stages in the correct sequence.
(b)[4]
Outline the role of NAD in respiration under aerobic conditions.
(c(i))[1]
State the total number of carbon dioxide molecules removed during the link reaction and Krebs cycle for each glucose molecule respired.
(c(ii))[1]
In a mammal, carbon dioxide diffuses out of cells and into the blood before being carried to the lungs. Suggest why carbon dioxide is transported in the blood mainly as hydrogen carbonate ions instead of as carbonic acid.