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

Multiple Choice Questions

1. What did Todd say about the sugar-phosphate backbone chemistry in the model?
(a) It was surprising
(b) It was incorrect
(c) It needed to be fixed slightly
(d) It was correct

2. Who is expected to come speak at a conference at the end of chapter sixteen?
(a) Maurice
(b) Rosy
(c) Crick
(d) Pauling

3. Who offered Watson a job at Cal-Tech?
(a) Max Delbruck
(b) Chargaff
(c) Pauling
(d) Sir Lawrence

4. Whom did Bragg invite to come see the new model?
(a) Todd
(b) Maurice
(c) Rosy
(d) Pauling

5. Where was Watson going to get the necessary pieces to construct his model?
(a) Machine shop
(b) Previous models
(c) Rosy's lab
(d) Pauling's dismantled model

6. How did Rosy feel about the new model?
(a) Debated
(b) Criticized
(c) Supported
(d) Refuted

7. Why did Crick become annoyed with Watson?
(a) Because he wouldn't share the responsibility
(b) Because he refused to consider a 3 chain model
(c) Because he wasn't concerned about his sister's love life
(d) Because he wasn't spending all of his time on DNA

8. What did Watson reveal made being a scientist harder for Rosy than for others?
(a) Having a bad attitude
(b) Stealing and not sharing work with her boss
(c) Disagreeing with others
(d) Being a woman

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

10. How did Maurice respond to all of the arguments that went into constructing the DNA model?
(a) Refuted
(b) Debated
(c) Criticized
(d) Accepted

11. Why didn't Watson want to continue working after lunch?
(a) His sister needed him
(b) His new idea about base structures didn't work
(c) He needed time to think
(d) He was excitied by his breakthrough

12. How much faster was Watson able to take pictures with the new X-ray tube?
(a) 5 times
(b) 10 times
(c) 20 times
(d) 30 times

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

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

15. What did Watson believe caused the medical condition from which he was suffering?
(a) Too much work
(b) Pressure from his PhD program
(c) Worry over DNA
(d) Spicy food

Short Answer Questions

1. What had Rosy surrounded DNA with in the B photograph?

2. Who arrived at Cambridge as a student?

3. The base pairs Watson had developed after lunch were the same as the sets of bases that appeared whose work?

4. Which of the following terms best describes the events at the meeting in Paris?

5. What had Watson asked of Delbruck?

(see the answer keys)

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