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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 20.

Multiple Choice Questions

1. Which of the following describes how Bragg felt about Crick's behavior and attitude?
(a) Complimentary
(b) Annoyed
(c) Pleased
(d) Satisfied

2. Who confirmed Watson's finding that TMV was indeed a helix?
(a) Pauling
(b) Maurice
(c) Rosy
(d) Crick

3. Which of the following was Senator McCarthy investigating?
(a) Terrorism
(b) Communism
(c) Socialism
(d) Anti-semitism

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

5. Whose ideas did Rosy's research ignore?
(a) Watson's
(b) Crick's
(c) Pauling's
(d) Cochran's

Short Answer Questions

1. When would Watson go to Cal-Tech?

2. How did Watson and Crick respond to Bragg when he told them to stop working on the structure of DNA?

3. On what topic was Rosy's talk?

4. Why couldn't Sir Lawrence remove Crick from the lab?

5. What specifically was wrong with Watson and Crick's model so that it disagreed with Rosy's research?

(see the answer key)

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