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18 Select the FALSE statement regarding viruses a All domains of life are susceptible to infection by viruses b Viruses require a host cell because the host cell protects their genetic information from degradation c Some viruses may leave their capsid outside of the host upon infection with only the genome entering into the host cell d Some viruses have genomes composed of DNA and some viruses have genomes composed of RNA 19 An alternative to antibiotic treatment for severe diarrhea caused by Clostridium difficile is being investigated C difficile has documented resistance to many antibiotics and causes severe intestinal distress This alternative treatment includes a cocktail containing four viruses CDHM1 2 5 and 6 This alternative treatment would be an example of a probiotic treatment b prebiotic treatment 20 All viruses must contain which of the following a Capsid b Genetic information c Envelope a prophage provirus b provirus prophage c phage therapy d radiation therapy 21 When a bacteriophage integrates into a host cell genome it is referred to as a an when a virus integrates into a human genome it is referred to as a an c latent virus chronic virus d chronic virus latent virus d Both a and b e All of the above 23 Some viruses may derive their a envelope b capsid such d Are 22 SARS CoV 2 has been detected in dogs cats lions tigers and minks and also infects humans HIV is only known to infect humans SARS CoV 2 would be described as a having a broader host range than HIV b having tissue tropism c being a prophage d being a chronic virus from the host cell membrane c capsule d spike proteins

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