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 18
... carried out functions of benefit to the 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 ...
... carried out functions of benefit to the 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 ...
Page 20
... generally make no enzymes for carrying out this latter process . ) Figure 18.5 A simplified viral reproductive cycle . A virus is an obligate intracellular parasite that uses the equipment and small precursors of its 20.
... generally make no enzymes for carrying out this latter process . ) Figure 18.5 A simplified viral reproductive cycle . A virus is an obligate intracellular parasite that uses the equipment and small precursors of its 20.
Page 31
... carried in the host cell's chromosome for many generations . Phage λ has one main tail fiber , which is short . The term lysogenic implies that prophages are capable of giving rise to active phages that lyse their host cells . This ...
... carried in the host cell's chromosome for many generations . Phage λ has one main tail fiber , which is short . The term lysogenic implies that prophages are capable of giving rise to active phages that lyse their host cells . This ...
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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