MicroBiology-Draft/Sample

Part 2 David’s doctor was concerned that his symptoms included prickling and itching at the site of the dog bite; these sensatio ...

The Lytic Cycle During thelytic cycleof virulent phage, the bacteriophage takes over the cell, reproduces new phages, and destro ...

induction has occurred the temperate phage can proceed through a lytic cycle and then undergo lysogeny in a newly infected cell ...

inject the former host’s DNA into a newly infected host. The asexual transfer of genetic information can allow for DNA recombina ...

Figure 6.10 In influenza virus infection, viral glycoproteins attach the virus to a host epithelial cell. As a result, the virus ...

Figure 6.11 RNA viruses can contain +ssRNA that can be directly read by the ribosomes to synthesize viral proteins. Viruses cont ...

Figure 6.12 HIV, an enveloped, icosahedral retrovirus, attaches to a cell surface receptor of an immune cell and fuses with the ...

Is RNA-dependent RNA polymerase made from a viral gene or a host gene? Persistent Infections Persistent infection occurs when ...

Chronic Infection A chronic infection is a disease with symptoms that are recurrent or persistent over a long time. Some viral i ...

growth curve compared to a bacterial growth curve occurs when virions are released from the lysed host cell at the same time. Su ...

in light of their extremely limited supplies? Is it ethical to treat untested drugs on patients with Ebola? On the other hand, i ...

Figure 6.15 Researchers working with Ebola virus use layers of defenses against accidental infection, including protective cloth ...

Figure 6.16 Membrane filters can be used to remove cells or viruses from a solution. (a) This scanning electron micrograph shows ...

Figure 6.17 (a) Flasks like this may be used to culture human or animal cells for viral culturing. (b) These plates contain bact ...

triggered to stop. This is called contact inhibition and it prevents the density of the cells from becoming too high. To prevent ...

The Immortal Cell Line of Henrietta Lacks In January 1951, Henrietta Lacks, a 30-year-old African American woman from Baltimore, ...

Detection of a Virus Regardless of the method of cultivation, once a virus has been introduced into a whole host organism, embry ...

Figure 6.21 (credit: American Society for Microbiology) 256 Chapter 6 | Acellular Pathogens This OpenStax book is available for ...

Watch thisvideo (http://www.openstaxcollege.org/l/22virusesoncell)to learn about the effects of viruses on cells. Hemagglutinati ...

Figure 6.22 This chart shows the possible outcomes of a hemagglutination test. Row A: Erythrocytes do not bind together and will ...