The keys for the exercices in your book

p. 38 ex. 3a - Notice that these are just suggestions! 
  1. What kind of a woman can you see in the photo depicting Henrietta Lacks?
  2. Where does the abbreviation (lyhenne) HeLa come from?
  3. How were Henrietta's cells used in the field of medicine?
  4. How many of Henrietta's cells are alive today?
  5. From whom did the writer of this text, Rebecca L. Skloot, first here about Henrietta Lacks? 
  6. What happens in a mitosis?
  7. What results in cancer cells?
  8. How is it possible that Henrietta's cells are so widely spread?
  9. What made her cells unique?
  10. What is the contradiction between Henrietta herself and her cells?

p.40 ex. 3d
  1. one of the best-known/most famous
  2. spanning over 2100
  3. the late 1930s/the end of the 1930s
  4. hundreds of times
  5. many Americans heard for the first time about the ASL-disease
  6. had reached the age of 40
  7. there have been significant/important advances in medicine
  8. (with)in the last/past 20 years
p.41 ex. 3e
  1. identified
  2. inconceivable
  3. estimate
  4. calculate
  5. oblivious
  6. immortal
  7. vicious
  8. suppress
  9. heal
  10. trigger

pronunciation-handout
  1. ubiquitous - kaikkialla läsnäoleva
  2. oblivious - tietämätön
  3. medicine - lääketiede 
  4. cervix - kohdunkaula
  5. zero gravity - painottomuus
  6. vaccine - rokote
  7. fertilization - hedelmöittäminen
  8. inconceivable - käsittämätön
  9. schematic - kaavio
  10. reproduction - lisääntyminen
  11. vicious - raju, säälimätön
  12. surgeon - kirurgi
  13. longevity - elinikä, pitkäikäisyys
  14. sewer - viemäri