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Topic 3: The voice of the genome - Edexcel A-Level Biology B quiz

10questions. Pick an answer and you'll see why right away.

  1. Which organelle is the site of aerobic respiration and ATP production?

  2. Which feature is found in a prokaryotic cell but not a eukaryotic cell?

  3. When is DNA replicated in the cell cycle?

  4. During which stage of mitosis are sister chromatids pulled to opposite poles?

  5. How many cells does meiosis produce from one parent cell?

  6. Crossing over, a source of genetic variation, occurs during:

  7. What restores the diploid chromosome number after meiosis?

  8. A pluripotent stem cell can:

  9. How can two cells with identical DNA become different specialised cells?

  10. DNA methylation generally has what effect on a gene?