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

Multiple Choice Questions

1. What did Watson diverge from his study of DNA to study?
(a) Models of proteins
(b) Coils of protein helixes
(c) Crystallograhy X-rays of RNA
(d) Sexes of bacteria

2. Which of the following types of work was Watson enthusiastic about beginning?
(a) Work with crystallography
(b) Work with X-rays of helices
(c) Work with Crick on X-ray photographs
(d) Work with the different possible molecular models of DNA

3. How did Watson and Crick respond to Bragg when he told them to stop working on the structure of DNA?
(a) Begged him to be allowed to continue to work on the problem
(b) Tried to convince him to change his mind
(c) Worked in the lab on the problem against his directive
(d) Didn't try to change his decision

4. What was the problem with the idea that the bases were pairs?
(a) Pairing eliminated the idea of 3 chains
(b) The sides weren't identical
(c) The bases weren't all the same sides
(d) There were an odd number of bases

5. Which of the following people was the solution to Watson being able to study crystallography?
(a) Pauling
(b) Herman
(c) Perutz
(d) Kalckar

Short Answer Questions

1. Which of the following characteristics best describes how Watson viewed the conference in London?

2. Who was taken with Watson's sister?

3. What began to interest Crick after his argument with Sir Lawrence?

4. Which word best describes Watson's feelings at the idea of working with bases in pairs?

5. Which of the following had Pauling partially solved?

(see the answer key)

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