Lecture Notes for BIOL 2704 - Evolutionary Biology with Turner at Virginia Tech (VT)

Notes Information

Material Type:Class Note
Class:BIOL 2704 - Evolutionary Biology
Subject:Biological Sciences
University:Virginia Polytechnic Institute And State University
Term:Spring 2008
  • Nonreciprocal Translocation
  • Molecular Homology
  • Allopolyploidy
  • Chromosome Inversion
  • Law of Succession
  • Particularly
  • Autopolyploidy
  • Developmental Homology
  • Duplications
  • Orthologous
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HIV -Retrovirus - Has an RNA genome - RNA  DNA  RNA with reverse transcriptase - When RNA parent makes errored DNA with reverse transcriptase there is no proofreading to fix it when it is turned back to RNA. - HIV invades specific types of cell in the human immune system. b/c its an intracellular parasite that cannot reproduce on it own. Life cycle of HIV 1) HIV’s extracellular form (virion or virus particle) encounters a host cell 2) HIV’s gp120 protein binds to CD4 and coreceptor on host cell. 3) HIV’s RNA genome, reverse transcriptase, integrase, and protease enter host cell. 4) Reverse transcriptase syntesiszes HIV DNA from HIV’s RNA template. 5) Integrase splices HIV DNA into host genome. 6) HIV DNA is transcribed to HIV mRNA by RNA polymerase (located in host cell) 7) HIV mRNA is translated to HIV precursor proteins by ribosomes (located in host cell) 8) Protease cleaves precursors into mature viral proteins 9) New generation of virions assembles inside host cell 10) New virions bud from h...

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