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 53
... , 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 viral infections once they occur . The antibiotics 53.
... , 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 viral infections once they occur . The antibiotics 53.
Page 70
... present in brain cells . When the prion gets into a cell containing the normal form of the protein , the prion 346 converts the normal protein to the prion version ( Figure 18.13 ) . In this way , prions may repeatedly trigger chain ...
... present in brain cells . When the prion gets into a cell containing the normal form of the protein , the prion 346 converts the normal protein to the prion version ( Figure 18.13 ) . In this way , prions may repeatedly trigger chain ...
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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