Unit 5: Gene Flow Study Guide, Part 1
Use our power point in Modules for Unit 5 to answer the following questions. You should also tell me the slide
number for each answer.
1.
Who was Frederick Griffith and what did he do in the study of DNA?
2.
Who was Oswald Avery and what did he do to enhance Griffith’s findings?
3.
Hershey and Chase worked to prove that DNA was the carrier of inheritance. What did they use to prove their hypothesis?
4.
Define virus.
5.
Define bacteriophage.
6.
What is a nucleotide?
7.
Name the 3 parts of a nucleotide.
8.
How is deoxyribose different from ribose?
9.
What is the significance of the phosphate/sugar bonding?
10. Define pyrimidine.
11. Define purine.
12. Explain Chargaff’s Rule.
13. Name the 5 nucleic acids and indicated which belong to DNA and which belong to RNA?
14. Who was Rosalind Franklin and what did she do?
15. Who were Watson and Crick and what did they do in relation to DNA?
16. Explain the idea of complementary base pairs.
17. Explain Watson and Crick’s “template mechanism” and how does this relate to DNA replication?
18. Name the enzyme what hooks the nucleotides together in DNA.
19. What direction does the cell read the DNA molecule for replication?
20. What is a replication bubble and why does the cell form bubbles?