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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 20.

Multiple Choice Questions

1. On what topic had Bragg, Kendrew and Perutz published a paper?
(a) Helical molecules
(b) Crystallographic chains
(c) Insulin dependent molecules
(d) Polypeptide chains

2. What specifically was wrong with Watson and Crick's model so that it disagreed with Rosy's research?
(a) Water level number was different
(b) Not enough chains
(c) Had three helices
(d) Too many chains

3. Where did Watson and Crick meet Chargaff?
(a) United States
(b) They never met
(c) Stockholm
(d) Cambridge

4. Who confirmed Watson's finding that TMV was indeed a helix?
(a) Maurice
(b) Pauling
(c) Rosy
(d) Crick

5. Whose work did Crick believe was a key to understanding DNA?
(a) Watson's work
(b) Rosy's work
(c) Chargraff's work
(d) Pauling's work

Short Answer Questions

1. What was Maurice going to return to Watson?

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

3. Who is expected to come speak at a conference at the end of chapter sixteen?

4. Which of the following characters did Crick discuss his problems with the helix theory with?

5. Which of the following is the best definition of the term abated?

(see the answer key)

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