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

Multiple Choice Questions

1. What did Watson continue to believe the problem was?
(a) Acid level
(b) Bases
(c) Chain number
(d) Backbone

2. How much faster was Watson able to take pictures with the new X-ray tube?
(a) 10 times
(b) 5 times
(c) 20 times
(d) 30 times

3. How much progress did Crick make?
(a) A little
(b) A lot
(c) Significant
(d) None

4. What did Bragg finally allow Watson to do?
(a) Move to a new lab where he will continue his work on RNA
(b) Allow him to work with Pauling to refine his model
(c) Start working on DNA again
(d) Invite Maurice to join Watson on the project

5. Which of the following words best describes how the authors of the chemistry book had chosen the structures of the bases?
(a) Arbitrarily
(b) Scientific models
(c) After much indepth research
(d) Crystallographic photographics

Short Answer Questions

1. Where did Watson see Chargaff for the second time but they did not speak?

2. How did Watson feel about Rosy's reaction to the new model?

3. Where had Watson moved?

4. What medical condition did Watson seem to think he had?

5. What does TMV stand for?

(see the answer keys)

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