(a)[2]
Using Fig. 3.1 as a reference, name components 1 and 2.
(b)[2]
Describe the consequences for the cell of the following statements. • Each cell contains only a very small amount of ATP at any one time. • The molecules ATP, ADP (adenosine diphosphate) and AMP (adenosine monophosphate) seldom pass through the cell surface membrane.
(c(i))[2]
Explain why glycogen and palmitic acid give different ATP yields.
(c(ii))[2]
Describe the conditions under which alanine and lactate are used as respiratory substrates. alanine lactate