Georgian-English & English-Georgian Dictionary and Phrasebook
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- 1. Extracting DNA fromfruitsExtracting DNA fromfruits
- 2. Verify to have all the materials before starting the experiment (pic. 1). Melt the salt (about 10 g) in 100 ml of water (pic. 2). Add a teaspoon (about 10 g) of liquid soap (pic. 3 and 4).
- 3. Stir slowly, without making foam, which may hinder the contact between the solution and the banana (pic. 5 and 6). Mash 100g of banana (pic. 7 and 8).
- 4. Pour the mush into the solution (pic. 9). Wait for 20 minutes.
- 5. What isWhat is DDNNAA??
- 6. DNA or desoxyribonucleic acid is a molecule content in the cell nucleus.
- 7. If we could look DNA closely, we would discover that this molecule is composed by two strands which, joined together, fold up forming a double-helix similar to a spiral stairs. If we could look DNA closely, we would discover that this molecule is composed by two strands which, joined together, fold up forming a double-helix similar to a spiral stairs.
- 8. The rungs of this stair correspond to chemical substances called nucleobases which form a chemical bond two by two. DNA can be compared to an important instruction book which contains genetic informationuseful for cells to makedifferents chemicals molecules known as proteins.
- 9. WHO DISCOVERED DNA?WHO DISCOVERED DNA? In 1953, the scientists J. Watson and F. Crick discovered the double-helix structure of DNA. They were helped by the
- 10. Unfortunately, Franklin did not recived Nobel Price for medicine in 1962 with her collegues Watson and Crick because she died before the assignment of the Prize, but it is necessary to
- 11. COME BACK TO OURCOME BACK TO OUR EXPERIMENT!!!EXPERIMENT!!!
- 12. After 20 minutes, filter the mixture (pic. 10-12).
- 13. Wait until the mixture goes through the filter (pic.13 and 14). Take a sample of 5 ml from the filtered mixture with a syringe (pic. 15 and 16).
- 14. Move the liquid into the test tube, avoiding making foam (pic. 17). Add 2 ml of pineapple juice using another syringe (pic. 18). Turn upside down the tube 2 or 3 times to facilitate the mixing of the liquids (pic. 19).
- 15. Add 10 ml of ethyl alcohol (pic. 20 e 21). Wait a few minutes and the ball of DNA will emerge and, using a magnifying glass you'll be able to see it. (fig. 22-24).