Lue teksti 5 uudelleen (s.43-45) ja vastaa seuraaviin kysymyksiin suomeksi tai englanniksi.

Read the text and answer these questions.
1. What kind of a woman can you see in the picture?
2. What is HeLa?
3. What happened to Henrietta’s cells after her death?
4. How many of Henrietta’s cells are alive today?
5. How did the writer find out about HeLa cells?
6. What happens in mitosis?
7. When can cancer occur?
8. Why do we still have Henrietta’s cells?
9. What is special about Henrietta’s cells?
10. What is contradictory about Henrietta and her cells?