1. 7.1-7.2 Scientists, DNA Structure Replication
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Scientists, DNA Structure Replication

2. The genetic code in DNA depends on the order of
A. Nucleotides
B. Pyrimidines
C. Major Grooves
D. Phosphate Groups

3. Which strain of bacteria killed the mice?
A. Live Smooth
B. Live Rough
C. Heat killed Smooth
D. Heat killed Rough

4. First to explore the genetic material with mouse experiments
A. Oswald Avery
B. Fredrick Griffith
C. Chase and Hershey
D. Watson and Crick

5. Constructed a model of the DNA molecule…
A. P. A. Levene
B. Fredrick Griffith
C. Erwin Chargaff
D. Watson and Crick

6. Used X-ray crystallography to discover the structure of DNA
A. Rosalind Franklin
B. Watson and Crick
C. Erwin Chargaff
D. Oswald Avery

7. What are the arrows pointing to?

8. Sometimes mistakes in DNA replication are made. These are called…
A. fragments
B. mutations
C. semi-conservative mistakes
D. alternative base-pairing

9. What does Radioactive Phosphorus indicate?
A. DNA
B. Protein
C. Carbohydrate
D. Lipid

10. What is this structure called?
A. Deoxyribose
B. Phosphate
C. Nitrogenous base
D. Nucleotide

11. Which of the following bases is a pyrimidine
A. Adenine
B. Thymine
C. Guanine
D. Deoxyribose

12. The following demonstrates DNA replication in what type of cell?
*Fill in*

13. Which of the following is a two ringed structure?
A. Guanine
B. Thymine
C. Deoxyribose
D. Phosphate

14. How many strands does DNA have?
B. 2
C. 3
D. 4

15. DNA is copied in a process called
A. Transcription
B. Translation
C. Replication
D. Transformation

16. What is letter A? A

17. Which molecules make up the backbone of DNA?
A. Deoxyribose and Phosphate
B. Ribose and Phosphate
C. Phosphate and Adenine
D. Sugar and Protein

18. What types of bonds are required to form the backbone?

19. For an extra point, where specifically is that bond formed- draw a picture!

20. Which is not an enzyme involved in DNA replication?
A. DNA ligase
B. DNA polymerase
C. helicase
D. RNA primer

21. Where does the cell store the DNA?
A. Cytoplasm
B. Nucleus
C. Ribosome
D. Nuclear Membrane

22. The enzyme that adds new nucleotides to the daughter strand is called
A. DNase
B. DNA Polymerase
C. RNA Polymerase
D. Helicase

23. A segment of DNA that codes for a protein is known as a
A. purine
B. nucleotide
C. gene
D. pyrimidine

24. After replication, each new strand of DNA has
A. 2 daughter strands
B. 2 parent strands
C. one RNA, one DNA strand
D. 1 parent, 1 daughter strand

25. During DNA replication, what nucleotide base sequence is synthesized along an original strand that has the sequence TCAAGC?
A. AGTTCG
B. ATGGCG
C. CTGGAT
D. GACCTA

26. The strand in DNA replication that is continuous and does not have any breaks is the _______ _______.
A. Leading Strand
B. Lagging Strand
C. Daughter Strand
D. Parent Strand

27. The scientist(s) who discovered that DNA has nucleotides
A. Chargaff
B. Watson and Crick
C. Levene
D. Franklin

28. To which end are nucleotides added?
A. The 5’ end of the parent strand
B. The 5’ end of the daughter strand
C. The 3’ end of the parent strand
D. The 3’ end of the daughter strand

29. Why can they only be added to this side?

30. Name the small segments of the lagging DNA strand.
A. ligase
B. Okazaki fragments
C. polymerase
D. RNA primers

31. For 3 Points… How many hydrogen bonds would be made in adding the complimentary sequence to the following ATGCTCA

32. Which of the 5 bases is NOT found in DNA?
* Fill in*

33. What bonds must be split during replication?
A. Ionic
B. Hydrogen
C. Covalent
D. Double bond