(a(i))[2]
Using Fig. 1.1, name substances R and S.
(a(ii))[2]
Using Fig. 1.1, explain the fate of the reduced NAD.
(b)[5]
During a race, an athlete's blood pH falls and then returns to its normal value after the race. The fall in blood pH is caused by waste products released by cells during respiration. Name the waste products released and describe what happens to them so that the blood pH returns to normal.