Question: Most of the genetic information on our planet does not
Most of the genetic information on our planet does not belong to cellular organisms. Discuss.
Answer to relevant QuestionsWhat is the major difference in how duplications have contributed to the evolution of prokaryotic versus eukaryotic genomes? What characteristics are used to identify open reading frames using sequence data? Describe how one might determine which proteins in Escherichia coli are repressed when a culture is shifted from a minimal medium (containing only a single carbon source) to a rich medium containing many amino acids, bases, ...Most biosynthetic operons need only be under negative control for effective regulation, whereas most catabolic operons need to be under both negative and positive control. Why? Most of the regulatory systems described in this chapter employ regulatory proteins. However, regulatory RNA is also important. Describe how one could achieve negative control of the lac operon using either of two different ...
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