Portage Microbiology Exam #6 questions with correct answers

True or False: Because the genome is contained within an enclosed space, (much like the nucleus of a cell) viruses are classified as eukaryotic - Answer False. Viruses are neither eukaryotic nor prokaryotic Describe the two basic components of a virus (short answer) - Answer A virus has 1. genomic material comprised of either DNA or RNA and 2. a capsid, a membrane-like protective structure that contains the genetic material, similar to the nucleus of a eukaryotic cell The _____ surrounds the capsid of some viruses - Answer Envelope The envelope surrounds the _____ of some viruses - Answer Capsid True or False: You would expect to see a viral envelope on a virus infecting a plant cell - Answer False. The overwhelming majority of animal viruses are enveloped whereas the majority of plant or bacteria-infecting viruses are not True or False: You would expect to see a viral envelope on a virus infecting a bacterial cell - Answer False: Not all the viruses have envelopes Rank the following viruses based on their size from largest to smallest: orthomyxovirus, poliovirus, variolavirus - Answer Variolavirus>Orthomyxovirus>Poliovirus Rank the following viruses based on their size from largest to smallest:Paramyxovirus, Poliovirus, Smallpox viru