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Unformatted text preview: BIS 120 Exam 3 Study Guide Lecture 17: Replication and Gene Regulation You should know:-what semi-conservative replication is, and what organisms use it-how DNA polymerase functions-the importance of the Primase enzyme-the major enzymes involved in DNA replication and their role-how replication differs in the leading vs. lagging strands-the importance of 'proofreading' in DNA replication, and what enzyme does it-the RNA polymerase core vs. holoenzyme, and the importance of the sigma subunit-what promoters do, and common promoters in prokaryotes-the steps in transcription, up through termination Lecture 18: Viruses Introduction-what HMD is, and its role in early studies of viruses-the major difficulties in the discovery of viruses-the two pathways of the viral life cycle-the general structural features and characteristics of all viruses-the system for classifying viruses, and what it is based on-how viruses go from dsDNA, ssDNA, + ssRNA and - ssRNA to mRNA in the host cell-what 'plaques' are on a bacterial lawn...
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