Biology, Pages 334-346Neil Campbell and Jane Reece's BIOLOGY remains unsurpassed as the most successful majors biology textbook in the world. This text has invited more than 4 million students into the study of this dynamic and essential discipline. |
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Page 4
... organism to another have emerged from the study of microbes . These techniques are having an important impact on both basic research and biotechnology ( see Chapter 20 ) . In this chapter , we explore the genetics of viruses and ...
... organism to another have emerged from the study of microbes . These techniques are having an important impact on both basic research and biotechnology ( see Chapter 20 ) . In this chapter , we explore the genetics of viruses and ...
Page 18
... organism . ) Some viruses have broad host ranges . West Nile virus , for example , can infect mosquitoes , birds , and humans , and equine encephalitis virus can infect mosquitoes , birds , horses , and humans . Other viruses have host ...
... organism . ) Some viruses have broad host ranges . West Nile virus , for example , can infect mosquitoes , birds , and humans , and equine encephalitis virus can infect mosquitoes , birds , horses , and humans . Other viruses have host ...
Page 44
... characteristic unique to retroviruses . Evolution of Viruses Viruses do not really fit our definition of living organisms . An isolated virus is biologically inert , unable to replicate its genes or regenerate its own supply of ATP 44.
... characteristic unique to retroviruses . Evolution of Viruses Viruses do not really fit our definition of living organisms . An isolated virus is biologically inert , unable to replicate its genes or regenerate its own supply of ATP 44.
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animal viruses bacterial cell bacterial chromosome bacteriophage bacterium bind to specific capsid cause disease cellular enzymes circular coli cell Cycles of Phages DNA molecule double-stranded emerging viruses enter the host enveloped viruses eukaryotes existing viruses Figure genetic recombination glycoproteins herpesvirus host cell host range host species human disease immune system kill the host lysogenic cycle lytic cycle mechanisms membranous envelope microbes model systems mosaic virus TMV mRNA mutation natural selection favors nucleic acid obligate intracellular parasites particles phage DNA plant to plant plant viruses plasmids plasmodesmata polymerase prions prokaryotic prophage genes protein coat provirus restriction enzymes retrovirus reverse transcriptase RNA viruses Scientists simplest spread stranded RNA symptoms syndrome synthesis temperate phage template tobacco mosaic virus transcribed transposons type of virus vaccines vertical transmission viral diseases viral DNA viral envelope viral genome viral infection viral nucleic acid viral proteins viral reproductive cycle viroids virulent phage viruses and bacteria viruses cause