C. After various cycles of replication, the DNA was added to test tubes with a salt gradient and centrifuged at high speeds. This creates a density gradient that separates the DNA double helixes with different nitrogen isotopes. DNA that is all 1"N (light), a mix of 1“N and 15N, or all 15N (heavy) form three distinct bands in the test tube. Draw thick lines by indicated density to show the bands you would predict for each mechanism at 0, 1 and 2 cycles. If you refer to you picture on the first page you can determine the amounts of each type of band. rounds of predictions for 3 proposed mechanisms of replication replication semi- conservative conservative dispersive 14N 14N 14N MIX MIX MIX 15N 14N 15N 15N 14N |14N 1 MIX MIX MIX 15N 15N 15N N MIX 2 14N 14N MIX MIX 15N | 15N 15N
C. After various cycles of replication, the DNA was added to test tubes with a salt gradient and centrifuged at high speeds. This creates a density gradient that separates the DNA double helixes with different nitrogen isotopes. DNA that is all 1"N (light), a mix of 1“N and 15N, or all 15N (heavy) form three distinct bands in the test tube. Draw thick lines by indicated density to show the bands you would predict for each mechanism at 0, 1 and 2 cycles. If you refer to you picture on the first page you can determine the amounts of each type of band. rounds of predictions for 3 proposed mechanisms of replication replication semi- conservative conservative dispersive 14N 14N 14N MIX MIX MIX 15N 14N 15N 15N 14N |14N 1 MIX MIX MIX 15N 15N 15N N MIX 2 14N 14N MIX MIX 15N | 15N 15N
Chapter16: The Communication Process
Section: Chapter Questions
Problem 4RQ
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