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 2
... structures that resemble miniature lollipops . These structures , a type of virus called T4 bacteriophage , are seen infecting the bacterium Escherichia coli in this colorized SEM . By injecting its DNA into the cell , the virus sets in ...
... structures that resemble miniature lollipops . These structures , a type of virus called T4 bacteriophage , are seen infecting the bacterium Escherichia coli in this colorized SEM . By injecting its DNA into the cell , the virus sets in ...
Page 5
... structures and metabolic machinery found in cells , most viruses are little more than genes packaged in protein coats . We will begin with the structure of these simplest of all genetic systems and their role as disease - causing agents ...
... structures and metabolic machinery found in cells , most viruses are little more than genes packaged in protein coats . We will begin with the structure of these simplest of all genetic systems and their role as disease - causing agents ...
Page 14
Neil A. Campbell, Jane B. Reece. Figure 18.4 Viral structure . Viruses are made up of nucleic acid ( DNA or RNA ) ... structural features , most of which appear in the four examples shown here . ( All the micrographs are colorized TEMs ...
Neil A. Campbell, Jane B. Reece. Figure 18.4 Viral structure . Viruses are made up of nucleic acid ( DNA or RNA ) ... structural features , most of which appear in the four examples shown here . ( All the micrographs are colorized TEMs ...
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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