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 38
... cellular enzymes to replicate and transcribe their DNA . In some cases , copies of the herpesvirus DNA remain behind as minichromosomes in the nuclei of certain nerve cells . There they remain latent until some sort of physical or ...
... cellular enzymes to replicate and transcribe their DNA . In some cases , copies of the herpesvirus DNA remain behind as minichromosomes in the nuclei of certain nerve cells . There they remain latent until some sort of physical or ...
Page 67
... palms in the Philippines . Viroids do not encode proteins but can replicate in host plant cells , apparently using cellular enzymes . These small RNA molecules seem to cause errors in the regulatory systems that control 67.
... palms in the Philippines . Viroids do not encode proteins but can replicate in host plant cells , apparently using cellular enzymes . These small RNA molecules seem to cause errors in the regulatory systems that control 67.
Page 71
... resulting chain reaction may continue until prions accumulate in aggregates to dangerous levels , causing cellular malfunction and eventual degeneration of the brain . Concept Check 18.2 1. Describe two ways a preexisting virus 71.
... resulting chain reaction may continue until prions accumulate in aggregates to dangerous levels , causing cellular malfunction and eventual degeneration of the brain . Concept Check 18.2 1. Describe two ways a preexisting virus 71.
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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