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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.

Multiple Choice Questions

1. What did Wilkin's x-rays show?
(a) Bone degradation
(b) Crystals taken from a mine
(c) Crystallized DNA
(d) Biological proof that DNA existed

2. Which of the following types of work was Watson enthusiastic about beginning?
(a) Work with crystallography
(b) Work with X-rays of helices
(c) Work with Crick on X-ray photographs
(d) Work with the different possible molecular models of DNA

3. On what topic had Bragg, Kendrew and Perutz published a paper?
(a) Polypeptide chains
(b) Helical molecules
(c) Insulin dependent molecules
(d) Crystallographic chains

4. Which of the following words best describes Maurice as a scientist?
(a) Cautious
(b) Awkward
(c) Uncaring
(d) Belligerent

5. While Watson was assembling pieces of the model, Crick was doing what?
(a) Adding wire to the existent models
(b) Reviewing X-ray images
(c) Reading from Pauling's book
(d) Making his own models

Short Answer Questions

1. How did Cochran and Crick explain X-ray diffraction by helical molecules?

2. Which of the following is the best definition of the term helix?

3. How many people does the preface indicate were involved in the discovery of the structure of DNA?

4. At what university were both Crick and the author working in the opening chapter?

5. Which of the following subjects did Watson avoid during his graduate work?

Short Essay Questions

1. Why did Watson decline the invitation to speak at a meeting in the United States?

2. In what way might this book be considered an apology for the winning of the Nobel Prize by Watson and Crick?

3. Why was it illegal for Watson to move to Cambridge?

4. Why did Watson and Crick think that the DNA structure was more complicated than the structure discovered by Pauling?

5. What was Francis Crick's first real scientific triumph?

6. In the forward, Bragg describes the following story as what kind?

7. Why were the crystallized images important?

8. Why did Wilkins come to Naples?

9. What did Watson and Crick find about the bonds that held together DNA?

10. How had Watson gotten a place to leave in Clare College?

(see the answer keys)

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