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 13
... protein subunits called capsomeres , but the number of different kinds of proteins is usually small . Tobacco mosaic virus has a rigid , rod - shaped capsid 336 made from over a thousand molecules of a single type of protein arranged in ...
... protein subunits called capsomeres , but the number of different kinds of proteins is usually small . Tobacco mosaic virus has a rigid , rod - shaped capsid 336 made from over a thousand molecules of a single type of protein arranged in ...
Page 14
... protein coat ( the capsid ) and sometimes further wrapped in a membranous envelope . The individual protein subunits making up the capsid are called capsomeres . Although diverse in size and shape , viruses have common structural ...
... protein coat ( the capsid ) and sometimes further wrapped in a membranous envelope . The individual protein subunits making up the capsid are called capsomeres . Although diverse in size and shape , viruses have common structural ...
Page 70
... protein , the prion 346 converts the normal protein to the prion version ( Figure 18.13 ) . In this way , prions may repeatedly trigger chain reactions that increase their numbers . This model , first proposed in the early 1980s , is ...
... protein , the prion 346 converts the normal protein to the prion version ( Figure 18.13 ) . In this way , prions may repeatedly trigger chain reactions that increase their numbers . This model , first proposed in the early 1980s , is ...
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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