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 26
... natural selection favors bacterial mutants with receptor sites that are no longer recognized by a particular type of phage . Second , when phage DNA successfully enters a bacterium , the DNA often is recognized as foreign and cut up by ...
... natural selection favors bacterial mutants with receptor sites that are no longer recognized by a particular type of phage . Second , when phage DNA successfully enters a bacterium , the DNA often is recognized as foreign and cut up by ...
Page 27
... natural selection favors bacteria with effective restriction enzymes , natural selection favors phage mutants that are resistant to these enzymes . Thus , the parasite - host relationship is in constant evolutionary flux . There is yet ...
... natural selection favors bacteria with effective restriction enzymes , natural selection favors phage mutants that are resistant to these enzymes . Thus , the parasite - host relationship is in constant evolutionary flux . There is yet ...
Page 33
... nature of the viral genome : Is it composed of DNA or RNA ? Is it double - stranded or single - stranded ? The nature of the genome is the basis for the common classification of viruses shown in Table 18.1 on the next page . Single ...
... nature of the viral genome : Is it composed of DNA or RNA ? Is it double - stranded or single - stranded ? The nature of the genome is the basis for the common classification of viruses shown in Table 18.1 on the next page . Single ...
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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