Becker's World of the Cell (9th Edition)
Becker's World of the Cell (9th Edition)
9th Edition
ISBN: 9780321934925
Author: Jeff Hardin, Gregory Paul Bertoni
Publisher: PEARSON
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Chapter 21, Problem 21.5PS

Library Science. You have constructed DNA probes that you want to use to verify the quality of a genomic library and a cDNA library recently produced from a preparation of rat liver cells in your lab. Probe #1 comes from a gene that is expressed in brain cells, whereas probe #2 comes from a gene expressed in liver cells. How would you expect the frequency of clones hybridizing with each of the probes to compare when the two libraries are probed? Explain your answer.

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please help me with this question. As this is a non-directional cloning, recombinant plasmids can contain an insert ligated into the vector in two different orientations. Provide two diagrams to illustrate the two potential recombinant plasmids, with the inserts ligated in opposite orientations. Include all RE sites and distances between sites on the diagram.
Please answer this asap. Thanks,   You have discovered a new plasmid RK21 in a unique bacterial community. As a first step towardunderstanding this plasmid, you digest the plasmid with three restriction enzymes: SspI, XhoI andSmaI. You run the digested plasmid DNA on an agarose gel, along with an uncut sample of theRK21 plasmid DNA as a control.Unfortunately you forget to load a DNA ladder, and obtain the following results. Assumecomplete digestion of all samples or all the digests worked completely
Describe your amplicon based on molecular size. Comparing the size of the genomic DNA Describe your amplicon based on molecular size. Comparing the size of the genomic DNA (as seen in Fig. 8.1) and the PCR products based on band position in the gel (as seen in Fig. 8.2).
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