(a)[3]
Use Fig. 1.1 to compare the structures of ATP and NAD.
(b)[2]
State two examples of anabolic reactions in a mammal that use ATP as an energy source.
(c)[1]
Name the type of chemical reaction that produces ATP during the Krebs cycle.
(d)[2]
Outline the functions of NAD in the cytoplasm of a cell.
(e)[2]
Explain why the energy value of lipids is higher than that of carbohydrates.