One strain of influenza can infect multiple hosts including humans pigs and birds. What is a potential consequence of this viral host flexibility? Antigenic shifts Overlapping reading frames None of the options are correct Antigenic drift A single ORF encoding multiple polypeptides released by a protease
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- Purified viral RNA extracted from reovirus particles [ [Select] infection after transfection into a permissive cell. It [Select] infection after transfection into a susceptible cell. initiate an initiateMatch the terms 1Genome surrounded by a protein coat 2Functional viral particle capable to infect a new host cell 3Infectious protein 4Infectious agent that needs helper virus for infection 5T4 enzyme that creates holes in the E. coli plasma membrane 6When a temperate phage stimulates their bacterial host tostart producing a toxin (e.g. cholera, shiga) 7Virus that infects bacteria 8Hand N spikes 9Virus without an envelope 10Most common and best studies virulent phage of E. coli 11Protein coat that surrounds viral genome 12:true or false : some viruses can cause cancer [ Choose ] lambda True pathogenic stimulation False Nucleocapsid lysosome Naked virus induction lysozyme Flu viruses tobacco mosaic virus lysogeny capsid Lysogenic conversion Holin Prion satellite bacteriophage (or just phage) T4 Virion StreptococcusViruses can easily mutate exchange genetic material, mechanisms referred to as antigenic drift and antigenic shift. These changes allow the virus to evade the immune system defenses. Match each term with the correct definition Antigenic drift [ Choose ] [Choose ] Different strains of a virus or strain of different viruses, combine and form a new strain that now has a mixture of the surface antigens Antigenic shift The virus changes genetically by accumulating mutations within the genes that code for antibody-binding sites
- Read in eTextbook - Chapter 19 page 405 - Replicative Cycles of Animal Viruses especially see Figure 19.8 The replicative cycle of an enveloped RNA virus After reading you need to do 2 things - see A and B below. A) Post an original post answering the 2 questions. using at least 6-8 sentences per answer. question 1: what are 2 good potential targets in SARS-CoV2 virus to stop it from functioning ? (HINT: Think antibodies targeting important viral proteins) question 2: what is the Pfizer Vaccine composed of? what does it target in SARS-CoV2 virus? Can you connect it to any concept from Ch 17 in your course?Mc 8 eBook References paragraph. Inoculated attenuated Sabin vaccination Salk Inactivated multiply three revert two prophylaxis infantile paralysis myasthenia gravis Poliomyelitis 00000000000 Drag the text blocks below into their correct order. In contrast, oral polio vaccine (OPV), developed by an in the 1960s, contains virus and can be easily administered by mouth making it useful still in polio eradication programs in developing countries today. OPV poses many risks, however, such as the attenuated virus can people and spread to others or it can making this vaccine virtually unusable in the U.S. today. In the past, this disease often affected small children and was called poliovirus vaccine was developed by in 1954 and is now the form used for all U.S. childhood vaccinations due to its low risk to individuals being vaccinated. in vaccinated to a neurovirulent strain causing disease, neuromuscular paralysis. There are against polio. is an acute enteroviral infection of the spinal…Superinfection immunity refers to: O the inability of a temperate phage to infect any bacterial lysogen O the inability of a temperate phage to undergo the lytic life cycle after existing as a prophage the inability of a lytic phage to infect any bacterial lysogen O a bacterial lysogen being unable to be infected by similar, closely related phages
- Explain the mechanism by which some (+)ssRNA viruses are able to produce many (e.g. ~10) proteins from a single RNA.All of the following statements correctly describes the properties of Influenza A virus EXCEPT A-Viral transcription occurs in the nucleus B-Mature virion are released by budding C-Single stranded positive sense RNA virus D-Attaches to cell-surface sialic acidWhich of the following terms is used for the stage of viral replication primarily responsible for host range specificity? Maturation Penetration Release O Adsorption Replication
- Why is making hypothetical virus important? Note this is not a writing assignment2009 H1N1 pandemic Multiple Answer: Choose all that apply to this diagram target cells for this virus are found in the digestive system The 2008 virus is a product of the reassortment of a human virus triple reassortment is implied This virus is used in phage therapy Only humans are involved in the reassortment process that results in new strains of this virus The 2008 virus in the diagram indicates that only Hemagglutinin was reassorted from an earlier strain of virusBesides being a general base, what's the other function of Asp in mechanism of HIV-1 aspartate protease shown in the figure.