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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 13.

Multiple Choice Questions

1. Which of the following is the best definition of the term helix?
(a) Straight
(b) Twirl
(c) Movement
(d) Spin

2. Which of the following characters was already working on the problem of DNA in London with Crick?
(a) Watson
(b) Cavendish
(c) Wilkins
(d) Pauling

3. How many types of nucleotides are in DNA?
(a) 4
(b) 6
(c) 5
(d) 3

4. At what university were both Crick and the author working in the opening chapter?
(a) Yale
(b) Cambridge
(c) Harvard
(d) MIT

5. Why couldn't Sir Lawrence remove Crick from the lab?
(a) Crick had more friends in the lab than Sir Lawrence
(b) Crick had proof that Sir Lawrence stole from him
(c) Crick was pursuing his PhD at Cambridge and couldn't be fired
(d) Sir Lawrence did not have the authority to remove Crick

Short Answer Questions

1. Which of the following did Watson and Crick add to the models which already existed within the Cambridge lab?

2. In what year did the author meet Crick?

3. What could be used to rule out some false starts of potential DNA structures?

4. By the end of chapter twelve, how many chains had Watson and Crick determined would fit with the X-ray images?

5. What did Crick help to make when he worked for the government at the beginning of World War II?

(see the answer key)

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