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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 24.

Multiple Choice Questions

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

2. In what year did the author meet Crick?
(a) 1951
(b) 1945
(c) 1963
(d) 1928

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

4. Why did Watson and Crick purchase a copy of Pauling's book on chemical bonding?
(a) It had a model of DNA in it
(b) It had a foreward written by Dorothy Hodgkin, a leading researcher into crystallography
(c) It contained information they needed to build a model of DNA
(d) It had information in it about Pauling's assistant Rosy

5. Who did Pauling give copies of his manuscript which contained his new model of DNA?
(a) Watson and Crick
(b) Rosy and Bragg
(c) Rosy and Maurice
(d) Peter and Bragg

Short Answer Questions

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

2. What was the fundamental flaw in Linus Pauling's model of DNA?

3. Which of the following best describes this type of novel?

4. Which of the following events interrupted Crick's interest in DNA?

5. Whose ideas did Rosy's research ignore?

(see the answer key)

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