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Genetics: Analysis and Principles 5th Edition by Robert Brooker
Edition 5ISBN: 978-0073525341Genetics: Analysis and Principles 5th Edition by Robert Brooker
Edition 5ISBN: 978-0073525341 Exercise 45
An absentminded researcher follows the steps of Figure 11.3, and when the gradient is viewed under UV light, the researcher does not see any bands at all. Which of the following mistakes could account for this observation Explain how
a. The researcher forgot to add 14 N-containing compounds
b. The researcher forgot to add lysozyme
c. The researcher forgot to turn on the UV lamp.FIGURE 11.3 Evidence that DNA replication is semiconservative. Starting material: A strain of E. coli that has been grown for many generations in the presence of 15 N. All of the nitrogen in the DNA is labeled with 15 N.
a. The researcher forgot to add 14 N-containing compounds
b. The researcher forgot to add lysozyme
c. The researcher forgot to turn on the UV lamp.FIGURE 11.3 Evidence that DNA replication is semiconservative. Starting material: A strain of E. coli that has been grown for many generations in the presence of 15 N. All of the nitrogen in the DNA is labeled with 15 N.
Explanation
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A.To perform Meselson and Stahl experime...
Genetics: Analysis and Principles 5th Edition by Robert Brooker
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