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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 10, Molecular Biology.

Multiple Choice Questions

1. Bacterial chromosomes contain little, if any what?
(a) Chromatin.
(b) Plasma membrane.
(c) Carbon.
(d) Protein.

2. Who presented the first paper in the 1951 symposium?
(a) Milislav Demerec.
(b) Barbara McClintock.
(c) Lewis Stadler.
(d) Richard Goldschmidt.

3. How long did it take for Barbara to get from her first clues to her final interpretation dealing with transposition?
(a) Four years.
(b) Twelve years.
(c) Two years.
(d) Six years.

4. 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 yellow, but they were brown.
(b) They should have been colorless, but there were spots of color.
(c) They should have been all uniform shape, but there were some that were much larger than expected.
(d) They should have all been the same color, but there were four different colors present.

5. Many mutations that were happening in the maize had never been seen before, and some of these involved gross changes in what?
(a) The nucleolus in the cells of the corn.
(b) The arrangement of the chromosomes.
(c) The generation length.
(d) The productivity of the corn itself.

Short Answer Questions

1. In Chapter 10, who did Stadler quote to support one of his arguments?

2. What did Stadler and McClintock share a keen interest in concerning maize?

3. When Barbara's father made an unofficial visit Frank Hanson concerning his daughter, he was currently working for what company as an industrial surgeon?

4. When it became clear to Barbara that she could no longer stay at Missouri, what did she consider as a possible career?

5. In Chapter 1, it is mentioned that immune systems were studied in what animal?

(see the answer key)

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