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
... retroviruses ( retro means " backward " ) . Of particular medical importance is HIV ( human immunodeficiency virus ) , the retrovirus that causes AIDS ( acquired immunodeficiency syndrome ) . HIV and other retroviruses are enveloped ...
... retroviruses ( retro means " backward " ) . Of particular medical importance is HIV ( human immunodeficiency virus ) , the retrovirus that causes AIDS ( acquired immunodeficiency syndrome ) . HIV and other retroviruses are enveloped ...
Page 42
... retrovirus that causes AIDS . The envelope glycoproteins enable the virus to bind to specific receptors on certain white blood cells . After HIV enters a host cell , its reverse transcriptase molecules are released into the cytoplasm ...
... retrovirus that causes AIDS . The envelope glycoproteins enable the virus to bind to specific receptors on certain white blood cells . After HIV enters a host cell , its reverse transcriptase molecules are released into the cytoplasm ...
Page 44
... retrovirus . The photos on the left ( artificially colored TEMs ) reveal HIV entering and leaving a human white ... retroviruses . Evolution of Viruses Viruses do not really fit our definition of living organisms . An isolated virus is ...
... retrovirus . The photos on the left ( artificially colored TEMs ) reveal HIV entering and leaving a human white ... retroviruses . Evolution of Viruses Viruses do not really fit our definition of living organisms . An isolated virus is ...
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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