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 51
... symptoms it produces is often obscure . Viruses may damage or kill cells by causing the release of hydrolytic enzymes from lysosomes . Some viruses cause infected cells to produce toxins that lead to disease symptoms , and some have ...
... symptoms it produces is often obscure . Viruses may damage or kill cells by causing the release of hydrolytic enzymes from lysosomes . Some viruses cause infected cells to produce toxins that lead to disease symptoms , and some have ...
Page 63
... symptoms of viral infection include bleached or brown spots on leaves and fruits , stunted growth , and damaged flowers or roots , all tending to diminish the yield and quality of crops ( Figure 18.12 ) . Figure 18.12 Viral infection of ...
... symptoms of viral infection include bleached or brown spots on leaves and fruits , stunted growth , and damaged flowers or roots , all tending to diminish the yield and quality of crops ( Figure 18.12 ) . Figure 18.12 Viral infection of ...
Page 69
... symptoms appear is around ten years . Second , prions are virtually indestructible ; they are not destroyed or deactivated by heating to normal cooking temperatures . To date , there is no known cure for prion diseases , and the only ...
... symptoms appear is around ten years . Second , prions are virtually indestructible ; they are not destroyed or deactivated by heating to normal cooking temperatures . To date , there is no known cure for prion diseases , and the only ...
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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