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

Multiple Choice Questions

1. What had Watson construction which was checked against Rosy's measurements?
(a) Chain
(b) Base
(c) Backbone
(d) Completed model

2. Which of the following was the problem with Pauling's model?
(a) DNA base was not acidic
(b) DNA base was now an acid
(c) DNA acid was not acidic
(d) DNA acid was too acidic

3. What had Watson asked of Delbruck?
(a) Not to tell Pauling about the new model
(b) To be sure and tell Pauling
(c) To display the model at Cal-Tech
(d) To spread the word throughout the scientific community

4. Who did Watson go to tell about Rosy's B photograph?
(a) Pauling and Crick
(b) Bragg and Crick
(c) Crick and Max
(d) Bragg and Max

5. What did Watson and Crick have to wait for?
(a) Changes to be made to the backbone
(b) Base models to be built
(c) Maurice to provide them with new information
(d) Rosy to leave King's lab

Short Answer Questions

1. Who has developed a structure of DNA in chapter twenty-one?

2. What had Maurice been doing in secret in regards to Rosy?

3. Which term did Maurice use to describe the DNA structure?

4. Which of the following was why Pauling never arrived in London?

5. How did Crick feel about Watson's work on bacteria reproduction?

(see the answer keys)

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