|Name: _________________________||Period: ___________________|
This test consists of 15 multiple choice questions and 5 short answer questions.
Multiple Choice Questions
1. Who was the President of the Carnegie Institution that Demerec urged Barbara to go talk to?
(a) Charles B. Davenport.
(b) Salvador Luria.
(c) Vannevar Bush.
(d) Marcus Rhoades.
2. In addition to making copies of itself, DNA also makes what?
(b) Multiple nuclei.
3. Barbara was impressed by the ability of some Tibetans to do what?
(a) Live on what the land gives them.
(b) Know many scientific secrets.
(c) Regulate their body temperature.
(d) Live a long time without water.
4. Who was quoted in the book as saying, "You let the material tell you where to go, and it tells you at every step what the next has to be?"
(a) Marcus Rhoades.
(b) Evelyn Witkin.
(c) Harriet Creighton.
(d) Barbara McClintock.
5. The Cold Spring Harbor Symposium of 1951 was on what?
(a) Transposition and Mutations.
(b) Evolution and Genes.
(c) Genes and Transposition.
(d) Genes and Mutations.
6. What was Demerec summing up by the words, "Ten years ago they were visualized as fixed units with precise boundaries?"
7. What is Neurospora?
(a) A green mold on mushrooms.
(b) A orange mold on corn.
(c) A gray mold on fruit.
(d) A red mold on bread.
8. In Chapter 8, Evelyn Keller talks about scientists that set out to understand a new principle of order. What does she say is one of the first things that the scientists do?
(a) They make a list of rules that the order should follow.
(b) They watch the development of the order and then compare it to other orders.
(c) Look for events that disturb that order.
(d) They identify any possibilites in a different order.
9. Who said of Barbara that "she was able to convey it to someone who was completely outside the field. She was able to make it real?"
(a) Evelyn Witkin.
(b) George Beadle.
(c) Stanley Stephens.
(d) Marcus Rhoades.
10. Who was the theoretical physicist who was trained by Niels Bohr?
(a) Max Delbruck.
(b) Milislav Demerec.
(c) Barbara McClintock.
(d) Lewis Stadler.
11. Among plants in the first crop, there were patterns of variegation so unusual they "could not fail to catch the eye". What was so unusual about these kernels?
(a) They should have been colorless, but there were spots of color.
(b) They should have been all uniform shape, but there were some that were much larger than expected.
(c) They should have been yellow, but they were brown.
(d) They should have all been the same color, but there were four different colors present.
12. Bacterial chromosomes contain little, if any what?
(a) Plasma membrane.
13. What does Keller state is a prerequisite for Barbara's extraordinary perspicacity?
(a) Her willingness to let her brain take over.
(b) Her drive to succeed.
(c) Her love for studying.
(d) Her ultimate knowledge.
14. In what year did Lewis Stadler die?
15. Gerald Holton commented on scientific imagination and it's importance to how many particular scientists?
Short Answer Questions
1. In the mutant seedlings that Barbara had grown, what could be seen that didn't belong?
2. How many years later was it when Barbara made her second presentation at the Cold Spring Harbor Symposium?
3. It is mentioned in Chapter 7 that in hindsight, most historians would say that the molecular revolution began at what time?
4. In the model that Monod and Jacob proposed, they stated that protein synthesis is not regulated by just the structural gene but by how many other genes?
5. How long did it take for Barbara to get from her first clues to her final interpretation dealing with transposition?
This section contains 600 words
(approx. 2 pages at 300 words per page)