(a(i))[1]
Describe what happens during early prophase so that chromosomes can be seen in late prophase.
(a(ii))[3]
Describe the chromosome’s structure in late prophase.
(b)[2]
State two contrasts between the chromosome at metaphase and the chromosome at late anaphase.
(c)[3]
Cytokinin is one plant hormone that acts as a cell signalling molecule and encourages cytokinesis. Suggest how cytokinin acts as a cell signalling molecule.