Questions before lcture 13

Questions before lcture 13 - Questions before lecture 13 1....

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Questions before lecture 13 1. Consider two cells, identical in every way except one has an extra 5,000 bases of non- coding DNA. Which cell has an evolutionary advantage? Why? 2. If the two cells in question #6 are grown together in a chemostat, what will the end result be: a) a 50-50 mix of both cell types b) all the cells will have the 5,000 extra non-coding bases c) none of the cells will have the 5,000 extra non-coding bases 3. What cellular structure could be used to transfer material out of a bacterial cell? Is this feature encoded in the bacterial genome? 4. What is required for DNA replication? How does a bacterial cell make sure that each of its daughter cells gets a complete genome? What would happen to a cell that did NOT get a copy of the complete genome? Plasmids do not carry essential genes. In a population of cells carrying plasmids, what would happen to a plasmid that did not have a system for guaranteeing that copies of it ended up in each daughter cell? 5.
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This note was uploaded on 04/05/2011 for the course MIC 102 taught by Professor Appleman during the Fall '08 term at UC Davis.

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