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 11
... usually think of genes as being made of double - stranded DNA - the conventional double helix - but many viruses defy this convention . Their genomes may consist of double- stranded DNA , single - stranded DNA , double - 11.
... usually think of genes as being made of double - stranded DNA - the conventional double helix - but many viruses defy this convention . Their genomes may consist of double- stranded DNA , single - stranded DNA , double - 11.
Page 31
... the λ genome exits the bacterial chromosome and initiates a lytic cycle . What triggers the switchover from the lysogenic to the lytic mode is usually an environmental signal , such as radiation or the presence of certain 31.
... the λ genome exits the bacterial chromosome and initiates a lytic cycle . What triggers the switchover from the lysogenic to the lytic mode is usually an environmental signal , such as radiation or the presence of certain 31.
Page 51
... usually recover completely from colds because the epithelium of the respiratory tract , which the viruses infect , can efficiently repair itself . In contrast , damage inflicted by poliovirus to mature nerve cells 51.
... usually recover completely from colds because the epithelium of the respiratory tract , which the viruses infect , can efficiently repair itself . In contrast , damage inflicted by poliovirus to mature nerve cells 51.
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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