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This test consists of 15 multiple choice questions and 5 short answer questions.

Multiple Choice Questions

1. Which of the following terms best describes how the English scientists felt about the United States refusing to allow Pauling to travel to London to speak at the conference?
(a) Total agreement
(b) Appalled
(c) Surprised
(d) Protested

2. How old was Rosy when she died?
(a) 60
(b) 54
(c) 37
(d) 25

3. What did Bragg finally allow Watson to do?
(a) Allow him to work with Pauling to refine his model
(b) Invite Maurice to join Watson on the project
(c) Move to a new lab where he will continue his work on RNA
(d) Start working on DNA again

4. Which of the following was why Pauling never arrived in London?
(a) Breakthrough in his projects
(b) Incomplete travel records
(c) Political views
(d) Health issues

5. Why was Watson trying to make crystallographic X-rays of TMV?
(a) To show that TMV had DNA
(b) To showTMV had helically stacked protein
(c) To show that RNA was the same as DNA
(d) To show that the work was worthwhile

6. Which of the following did Watson begin working on after being told to stop his work on DNA?
(a) VMT
(b) TMV
(c) MTV
(d) TMZ

7. Who told Pauling about the double helix structure?
(a) Maurice
(b) Delbruck
(c) Watson
(d) Crick

8. Who did Watson go to tell about Rosy's B photograph?
(a) Pauling and Crick
(b) Bragg and Max
(c) Crick and Max
(d) Bragg and Crick

9. What other evidence was discovered about DNA?
(a) DNA was all exactly the same
(b) All DNA lacked cystosine
(c) the identification of a form of cytosine in a kind of DNA previously thought to lack cytosine
(d) All DNA was the same as RNA

10. Who arrived at Cambridge as a student?
(a) Rosy
(b) Pauling's son
(c) Chargraff
(d) Sir Lawrence's daughter

11. Which of the following terms best describes the events at the meeting in Paris?
(a) Problem solving
(b) Revealing
(c) Uneventful
(d) Surprising

12. Who shared an office with Watson and Crick?
(a) Chargraff
(b) Rosy
(c) Sir Lawrence
(d) Linus Pauling

13. Why couldn't Watson concentrate on this thesis?
(a) Excitement at attending a new lecture
(b) Distracted by Rosy's animosty
(c) Distracted by Watson's social life
(d) Excitement about the base pairs

14. What was the fundamental flaw in Linus Pauling's model of DNA?
(a) The phosphate molecules were not ionized
(b) He could not identify the number of helixes
(c) The phosphate molecules were ionized
(d) He relayed that there were four helixes

15. What does TMV contain?
(a) DNA
(b) Triple helix structure
(c) Crystals
(d) RNA

Short Answer Questions

1. Which describes how Rosy seemed when Watson went to talk to her at King's lab about Pauling's faulty model?

2. How did Watson spend the time while he waited for the machine shop to construct the necessary parts?

3. What was wrong with Maurice at the meeting in Paris?

4. What shape was Watson trying to prove TMV was?

5. Which of the following was Senator McCarthy investigating?

(see the answer keys)

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