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 25
... phage T4 , a virulent phage . Phage T4 has about 100 genes , which are transcribed and translated using the host cell's machinery . One of the first phage genes translated after the viral DNA enters the host cell codes for an enzyme ...
... phage T4 , a virulent phage . Phage T4 has about 100 genes , which are transcribed and translated using the host cell's machinery . One of the first phage genes translated after the viral DNA enters the host cell codes for an enzyme ...
Page 26
... phage . Second , when phage DNA successfully enters a bacterium , the DNA often is recognized as foreign and cut up by cellular enzymes called restriction endonucleases , or simply restriction enzymes . The bacterial cell's own DNA is ...
... phage . Second , when phage DNA successfully enters a bacterium , the DNA often is recognized as foreign and cut up by cellular enzymes called restriction endonucleases , or simply restriction enzymes . The bacterial cell's own DNA is ...
Page 30
... phage λ , a temperate phage . After entering the bacterial cell and circularizing , the λ DNA can immediately initiate the production of a large number of progeny phages ( lytic cycle ) or integrate into the bacterial chromosome ...
... phage λ , a temperate phage . After entering the bacterial cell and circularizing , the λ DNA can immediately initiate the production of a large number of progeny phages ( lytic cycle ) or integrate into the bacterial chromosome ...
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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