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 19
... viral infection begins when the genome of a virus makes its way into a host cell ( Figure 18.5 ) . The mechanism by ... proteins . The host provides the nucleotides for making viral nucleic acids , as well as enzymes , ribosomes , tRNAs 19.
... viral infection begins when the genome of a virus makes its way into a host cell ( Figure 18.5 ) . The mechanism by ... proteins . The host provides the nucleotides for making viral nucleic acids , as well as enzymes , ribosomes , tRNAs 19.
Page 20
... viral proteins dictated by viral genes . Most DNA viruses use the DNA polymerases of the host cell to synthesize new genomes along the templates provided by the viral DNA . In contrast , to replicate their genomes , RNA viruses use special ...
... viral proteins dictated by viral genes . Most DNA viruses use the DNA polymerases of the host cell to synthesize new genomes along the templates provided by the viral DNA . In contrast , to replicate their genomes , RNA viruses use special ...
Page 66
... Proteins encoded by viral genes are capable of altering the diameter of plasmodesmata to allow passage of viral proteins or genomes . Scientists have not yet devised cures for most viral plant diseases . So their efforts are focused ...
... Proteins encoded by viral genes are capable of altering the diameter of plasmodesmata to allow passage of viral proteins or genomes . Scientists have not yet devised cures for most viral plant diseases . So their efforts are focused ...
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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