1. Give three examples of natural barriers against infection in human bodies.
2. Back in the XIXth century first vaccination campaings used to arise fears among citizens. Could you explain what the reasons of these fears were? Have in your opinion these fears any similarity with doubts about the convenience of vaccinating against A flu?
3. Suggest why finding a way to distinguish different kinds of bacteria helped to convince people that the germ theory of disease was correct.
4. Explain shortly what’s the effect of a vaccine in the organism and the basis of its working.
5. Explain shortly what investigation has been awarded with the Nobel in medicine this year.
6. The 28th of February of the year 1953 is an historic daye in the history of science, could you tell why?
7. What is a gene?
8. What is the genetic code? Who elucidated it?
9. What the process called DNA replication consist in?
10. A strand of a piece of DNA has the following sequence: ACG CAA TAC GGG GTA ATT CCC ATG
a. Give the sequence of the complementary strand
b. Give the sequence of the RNA transcript
c. Give the sequence of the protein that correspond to this transcript
d. What would be the consequence of a mutation consisting in the losing of the C in the ninth position?
11. In the technology of the recombinant DNA an enzyme is used to cut the DNA in some definite places as if it was an scissor. What is its name?
12. Give three examples of practical uses of the “genetic ingeeniering”
13. You can roll your tongue but your spouse cannot. Your first child also cannot roll his tongue. What is your genotype for this trait? What is the probability of having a tongue roller child next time?
14. Why is forbidden eating and drinking in a laboratory?
15. In the next picture find out ten examples of bad practices in the lab.
16. Based in the results of the lab experiment about Hygiene practices, extract conclusions (the conclusions should refer to the results in the experiment). Justify unexpected results in the experiment.

SCIENCE IN SOCIETY
No hay comentarios:
Publicar un comentario