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 41
... molecules of single - stranded RNA and two molecules of reverse transcriptase ( Figure 18.9 ) 41 341 ...
... molecules of single - stranded RNA and two molecules of reverse transcriptase ( Figure 18.9 ) 41 341 ...
Page 42
... molecules are released into the cytoplasm and catalyze synthesis of viral DNA . The newly made viral DNA then enters the cell's nucleus and integrates into the DNA of a chromosome . The integrated viral DNA , called a provirus , never ...
... molecules are released into the cytoplasm and catalyze synthesis of viral DNA . The newly made viral DNA then enters the cell's nucleus and integrates into the DNA of a chromosome . The integrated viral DNA , called a provirus , never ...
Page 67
... molecules , only several hundred nucleotides long , that infect plants . One viroid disease has killed over 10 million coconut palms in the Philippines . Viroids do not encode proteins but can replicate in host plant cells , apparently ...
... molecules , only several hundred nucleotides long , that infect plants . One viroid disease has killed over 10 million coconut palms in the Philippines . Viroids do not encode proteins but can replicate in host plant cells , apparently ...
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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