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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 29.

Multiple Choice Questions

1. How did Pauling discover his ?-helix structure?
(a) By fitting X-rays together into specific groups
(b) By taking atoms and gluing them together with photons
(c) By fitting together models of groups of atoms that liked to link together
(d) By taking X-rays and placing them on top of each other

2. Whom did Watson compare Crick to when talking to Delbruck?
(a) Rosy
(b) Maurice
(c) Sir Lawrence
(d) Pauling

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

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

5. What had the Cavendish lab recently discovered?
(a) A new kind of X-ray tube
(b) The structure of RNA
(c) A model of DNA and RNA
(d) The structure of DNA

Short Answer Questions

1. Why did Watson believe that DNA would be a two-chain?

2. On what form of DNA did Crick work?

3. Which of the following describes why Francis's wife was happy for him?

4. Which of the following is the best definition of phages?

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

(see the answer key)

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