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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 11.

Multiple Choice Questions

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

2. What could be used to rule out some false starts of potential DNA structures?
(a) Nucleotides
(b) Binding agents
(c) X-ray pictures of DNA crystals
(d) 3-dimensional figures of DNA

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

4. Which of the following did Crick lack when it came to the type of research needed for a PhD thesis?
(a) Perseverance
(b) Patience
(c) Drive
(d) Knowledge

5. Which of the following people wrote the forward?
(a) James Watson
(b) Sir Lawrence Bragg
(c) Francis Crick
(d) Max Perutz

Short Answer Questions

1. Who first excited Watson about using x-rays to study DNA?

2. Which of the following best describes how Watson responded to Pauling's journal articles?

3. Which of the following is the best definition for relations as used in the following sentence: His biggest problem, though, was relations with Rosy, and he had to consider firing her.

4. Which of the following is Watson's interest?

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

(see the answer key)

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