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Please answer these questions using this video: https://youtu. be/kuFODX4VuAw
Questions:
Great Discovery: Genes are Located on Chromosomes
1. What is Drosophila melanogaster commonly called?
2. What are X and Y chromosomes? How did Morgan use them to determine this great discovery?
Great Discovery: Genes Control Biochemical Events
3. Why were two reasons bread mold was a good organism to study?
4. What happened when Beadle and Tatum irradiated the bread mold?
5. How did their results lead to the one-gene-one enzyme hypothesis?
Great Discovery: Transposons (“Jumping Genes”)
6. How did McClintock’s discovery change the way scientists understood chromosomes?
7. Why did Barbara McClintock vow never to present at Cold Spring Harbor?
Great Discovery: DNA carries Genetic Material
8. What organism were Hershey and Chase working with?
9. How does a bacteriophage attack a bacteria cell?
10. What are the two simple components that make up a virus?
11. What did Hershey and Chase determine to be carrying the genetic material?
Great Discovery: The Double Helix
12. Which scientists were involved in the discovery of the structure of the DNA molecule (HINT: there are four mentioned in this section)?
13. How many base chemicals are in a DNA molecule?
14. What is the name for the shape of a DNA molecule?
15. What type of bonds hold the bases together in a molecule of DNA?
16. Why was Rosalind Franklin not awarded the Nobel Prize for her contribution to the discovery of the structure of DNA?
Great Discovery: Messenger RNA
17. Cells that produce lots of proteins may contain lots of what special chemical?
18. How many strands is an RNA molecule?
19. What is produced in a bacteria cell soon after viral RNA appears in the cell?
Great Discovery: The Genetic Code
20. How many total amino acids are in your body that can be used in the production of a protein?
21. How many bases code for a triplet?
22. What information does RNA contain?
23. How many triplets are in the entire DNA genetic code?
24. How many DNA codes are used by life on Earth?
Great Discovery: Restriction Enzymes
25. List one use for recombinant DNA research.
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