Checkpoints, p53 & What Cancer Actually Is

Thirty questions on the one lesson in this unit that is almost entirely about consequences. Tap an answer and it moves on by itself — correct answers advance immediately, misses hold a few seconds so you can read why.

Every question here comes back to one sentence A checkpoint stops a damaged cell. Cancer is what happens when nothing stops it.

Part 1Why a cell divides — and why a healthy one stops

Part 2The three checkpoints and what each one screens for

Part 3What goes wrong when a checkpoint fails

Part 4p53 — working, and mutated

Part 5Cancer is the cell cycle with nothing left to stop it

Part 6Mutations: what they are, and which ones get inherited

Checkpoints, p53 & What Cancer Actually Is

Review Complete

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