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 27
... 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 a third important reason bacteria have ...
... 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 a third important reason bacteria have ...
Page 53
... Effective vaccines are also available against rubella , mumps , hepatitis B , and a number of other viral diseases . Although vaccines can prevent certain viral illnesses , medical technology can do little , at present , to cure most ...
... Effective vaccines are also available against rubella , mumps , hepatitis B , and a number of other viral diseases . Although vaccines can prevent certain viral illnesses , medical technology can do little , at present , to cure most ...
Page 69
... or deactivated by heating to normal cooking temperatures . To date , there is no known cure for prion diseases , and the only hope for developing effective treatments lies in understanding the mechanism of infection . How 69.
... or deactivated by heating to normal cooking temperatures . To date , there is no known cure for prion diseases , and the only hope for developing effective treatments lies in understanding the mechanism of infection . How 69.
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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