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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 25.

Multiple Choice Questions

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

2. What began to interest Crick after his argument with Sir Lawrence?
(a) Proton Order and diffraction
(b) X-rays of crystallized DNA molecules
(c) DNA
(d) Diffraction of X-rays by helical molecules

3. Who else did Watson invite to his friend's parents for Christmas?
(a) Sister
(b) Rosy
(c) Bragg
(d) Sister

4. Which of the following terms describes how Watson felt about working at the Cavendish Laboratory at Cambridge?
(a) Liked it
(b) Disliked it
(c) Hated it
(d) Love it

5. Which of the following characters attended Rosy's talk?
(a) Sir Lawrence
(b) Watson
(c) Vand
(d) Crick

Short Answer Questions

1. Which of the following was Senator McCarthy investigating?

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

3. Where was Pauling held up when he was on his way to speak at the conference?

4. Which of the following did Odile NOT prefer?

5. What did Bragg finally allow Watson to do?

(see the answer key)

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