2 guides on this topic
Cell biology
What each cell biology question is really asking, how to structure the answer, and where the marks are likely to sit.
The first constraint is the one people break: it has to be a digestive or endocrine cancer. Choosing an endocrine one makes the homeostasis question answerable instead of vague.
Five questions that look separate and are not: they trace one line from why cells divide, through how the instructions are read, to how identical genomes produce different cells.