(a(i))[1]
Name the section of the chloroplast where photosystem II is found.
(a(ii))[3]
Describe the function of photosystem II in light absorption.
(b)[2]
Describe how cadmium ion concentration affects the activity of photosystem II, as illustrated in Fig. 6.1.
(c(i))[4]
Describe the results in Table 6.1 and suggest explanations for them.
(c(ii))[1]
Suggest how copper ions alter the structure of chlorophyll $a$.
(d)[4]
Chromatography can separate and identify different photosynthetic pigments in a chloroplast extract. Describe how chromatography is used to identify chlorophyll a in an extract from chloroplasts.