1.
Figure 11.2
On the figure in your textbook (page 219), add labels to the three test tubes illustrated in the middle of the diagram, indicating which tubes contain protein + RNA, RNA + DNA, and DNA + protein.
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2.
Figure 11.5
Why did Beadle and Tatum grow the irradiated spores on complete medium first?
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3.
Figure 11.6
Why was the choice of the term messenger appropriate?
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4.
Figure 11.7
Experimental strategies that rely on trying all conceivable possibilities are sometimes called brute-force approaches. In what sense was the search for RNA polymerase a brute-force approach?
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5.
Figure 11.9
On the figure in your textbook (page 226), add a diagram illustrating what happens to the reading frame when two deletion or two addition mutations take place in the same sequence.
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6.
Figure 11.10
Pick four codons at random. Which three bases in DNA specify each of these codons?
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