Bio terms Crossword
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
 
 
Down: 1) is a retrovirus. an infectious agent that caused AIDS2) each particular virus can infect cells of a limited number of host species3) virus that infects bacteris4) 6) protein shell that enclosed a viral genome8) protein subunits that builds the capsid Across: 5) last stage of HIV infection, there is reduction in the numbers of T-cells and appearance of secondary infections7) allows replication of the phage genome without destroying the host9) 10) general outbreak of a disease11) swine flu12) 
 

 

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