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 1
... genetic recombination contribute to the genetic diversity of bacteria 18.4 Individual bacteria respond to environmental change by regulating their gene expression Overview : Microbial Model Systems The photo in Figure 18.1 1.
... genetic recombination contribute to the genetic diversity of bacteria 18.4 Individual bacteria respond to environmental change by regulating their gene expression Overview : Microbial Model Systems The photo in Figure 18.1 1.
Page 5
... and regulation of their gene expression . Figure 18.2 ( from page 335 ) Comparing the size of a virus , a bacterium , and an animal cell . Only a portion of a typical animal cell is shown . Its diameter is about ten times greater than 5.
... and regulation of their gene expression . Figure 18.2 ( from page 335 ) Comparing the size of a virus , a bacterium , and an animal cell . Only a portion of a typical animal cell is shown . Its diameter is about ten times greater than 5.
Page 32
... Expression of these genes may alter the host's phenotype , a phenomenon that can have important medical significance . For example , the bacteria that cause the human diseases diphtheria , botulism , and scarlet fever would be harmless ...
... Expression of these genes may alter the host's phenotype , a phenomenon that can have important medical significance . For example , the bacteria that cause the human diseases diphtheria , botulism , and scarlet fever would be harmless ...
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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