HIV, a retrovirus.
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   The Human Immunodeficiency Virus (HIV) is a retrovirus.
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   It  has  the  enzyme reverse transcriptase to copy the RNA genome into
   DNA,  which is integrated into the host genome as a provirus, where it
   remains a permanent resident.
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   The  host's  RNA  polymerase  transcribes  the  proviral  DNA into RNA
   molecules,  which  may  function  both  as mRNA for synthesis of viral
   proteins and as new viral genomes.
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   <A ClAsS=WWW Href="http://www.hhmi.org/biointeractive/media/reverse_trans-sm.wmv" oNClick="popurlt('http://www.hhmi.org/biointeractive/media/reverse_trans-sm.wmv');txtcolor('HIV_2','gray');return false;" Id=HIV_2 ClAsS=WWW>AZT and reverse transcriptase</A>
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   Review and exercise:  <A ClAsS=ACT Href="http://media.pearsoncmg.com/bc/bc_campbell_biology_7/media/activities/load.html?18&amp;D" oNClick="popact('http://media.pearsoncmg.com/bc/bc_campbell_biology_7/media/activities/load.html?18&amp;D');txtcolor('HIV3','gray');return false;" Id=HIV3><iMg sRc="/images/tutorial.gif" aLt='' boRDer=0></A>
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