MCDB Christoffersen Lecture#9

MCDB Christoffersen Lecture#9 - MCDB Christoffersen Lecture...

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MCDB Christoffersen Lecture #9 Start of Chapter 16 Virus life cycles o Bacteriophages and HIV retrovirus Regulation of Gene Expression in Prokaryotes o Lac operon o Trp operon Gene Regulation in Eukaryotes Viruses and Human Health The Spanish flu deadliest in human history, and the bird flu is very similar and just 5 mutations away from being one of the most deadliest flu. AIDS another virus that is causing an epidemic on the human population. Viruses Mostly consist of nucleic acid (DNA or RNA) and capsid coat protein Viruses always need a living host to reproduce Often they kill host cell after viral replication Viruses have no metabolism Some animal viruses have membrane coat Because they use host cellular machinery, it is difficult to block replication with drugs like antibiotics o This makes it hard to use drugs to combat viruses because antibiotics will attack and kill the host cells. The Lytic Cycle: A Strategy for Viral Reproduction
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MCDB Christoffersen Lecture#9 - MCDB Christoffersen Lecture...

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