Membrane Processing Quiz

1. You have 20 seconds for each question — the pace picked on the previous screen.

2. Tap an answer to lock it in. A locked answer can't be changed.

3. Want to see it? Tap "What is the correct answer?" for the answer and its explanation.

4. When the timer runs out, the question closes and no answer can be picked.

5. Leaving this page mid-quiz ends the attempt, and an unfinished attempt isn't saved.

6. Every correct answer earns points. Your score, and a review of every answer, wait at the end.

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