Column A Column B a. Trypanosoma brucei 1. undergoes latency b. Influenza 2. carries out recombination of eight RNA molecules of the genome viruses с. Тохорlasma | gondii 3. participates in genetic variation of capsular polysaccharides d. Herpesviruses 4. encloses itself in an impenetrable membrane-bounded vesicle 5. employs gene conversion e. Streptococcus pпeumoniae f. Mycobacterium 6. prevents fusion of phagosome with tuberculosis lysosome

Column A Column B a. Trypanosoma brucei 1. undergoes latency b. Influenza 2. carries out recombination of eight RNA molecules of the genome viruses с. Тохорlasma | gondii 3. participates in genetic variation of capsular polysaccharides d. Herpesviruses 4. encloses itself in an impenetrable membrane-bounded vesicle 5. employs gene conversion e. Streptococcus pпeumoniae f. Mycobacterium 6. prevents fusion of phagosome with tuberculosis lysosome

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter21: Viruses

Section: Chapter Questions

Problem 3VCQ: Figure 21.10 Which of the following statements is false? In the lytic cycle, new phages are produced...

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Viruses 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
. EVOLUTION CONNECTION The success of some viruses lies intheir ability to evolve rapidly within the host. Such viruses evadethe host’s defenses by mutating and producing many alteredprogeny viruses before the body can mount an attack. Thus, theviruses present late in infection differ from those that initiallyinfected the body. Discuss this as an example of evolution inmicrocosm. Which viral lineages tend to predominate?
Viruses with negative sense RNA genomes typically, make proteins by: (Ignore retroviruses, and the unusual characteristics of coronaviruses) Translation of short RNA transcripts generated by RDRP Generating a DNA copy, which is then transcribed by host RNA polymerase. Translation of the viral genome by host ribosomes. Production of a polyprotein, which must be cleaved into smaller proteins. Generating a negative sense genome copy, which is then translated by host ribosomes.
ss (-) RNA viral genome RNA polymerase RNA-dependent # O dsRNA O dsDNA. RNA-dependent RNA polymerase Coples (-) RNA strand transcription Copies (-) RNA strand. 80 ss (+) RNA S5 FA viral translation protein (+)RNA (viral mRNA) RNA-dependent RNA polymerase Copies (+) RNA strand. What type of virus is replicating in the picture? (-)ssRNA (+)ssRNA % C wil ss (-) RNA viral genome <(C 16 & 7
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?
anline State- estid%3D1740&strandid%3D&element3D&difficulty=Dassessment&assignment_id%3D42985127&load_test=1&teacherPreview=#test Save Subm gp120 Docking Glycoprotein Lipid Membrane RNA gp41 Transmembrane Glycoprotein Сapsid Matrix Reverse Transcriptase Viruses, although not considered to be alive, attack host cells and cause disease. The attack of a host cell is necessary for the virus to survive for all of the reasons listed EXCEPT one. That is they cannot synthesize proteins becayse they lack ribosomes and must use the ribosomes of their host cells to translate viral messenger RNA into new Eliminate proteins. A) they cannot produce or store energy in the form of ATP and have to get their energy from the host cell. B) they parasitize the host cell for basic molecules like amino acids, nucleotides, and lipids. D) they lack DNA/RNA so they must use the DNA of the host cell. Address 立
The molecular pore of the DMVS is hypothesized to be O a. Synthesized from viral-encoded accessory proteins O b. Part of ribosome attachment site of the endoplasmic reticulum O C. Derived from the viral M protein O d. A pentameric formation of the SARS-CoV-2 E-protein
which of the following has no "quartnary structure"? multimeric protein, such as haemoglobin or covid-19 virus spike O pili/fimbriae O microtubules O monomeric protein/one polypeptide O bacterial flagella
All HPV are non-enveloped double stranded DNA viruses. Their genomes are circular and approximately 8 kilobase pairs in size. Most encode eight major proteins, 6 located in the “early” region and 2 in the “late” region. The “early” proteins are regulatory in function.... Can you please elaborate about the HPV genome in more detail that what I posted above? Thanks.
Rhinovirus, the most common cause of colds, do not have a lipid envelope. Compared to enveloped viruses these and other nonenveloped viruses tend to remain infectious outside the body longer, are more likely to be spread by contact with surfaces, and are likely to be rendered harmless by exposure to hand sanitizer or hand washing. Explain how the lack of an envelope could contribute to these characteristics.
Remdesivir is an antiviral drug that is currently being used to treat COVID-19. Which part ofthe SARS-CoV-2 life cycle is being inhibited by this drug?O SARS-CoV-2 entry into the host cellO Exocytosis of mature virionsO Structural protein translation© Viral formation and assemblyO Genomic RNA replication and subgenomic transcription
Make a reflection The 2019 novel coronavirus (2019-nCoV) has caused the spread of a respiratory pandemic, for the first time. The most common symptoms of COVID-19 include fever, dry cough, fatigue, muscle aches, and other symptoms such as shortness of breath. This study is aimed at investigating the fluid and electrolyte disturbances in COVID-19 patients. The coronavirus family causes infections via respiratory droplets, contact, etc. SARS-CoV-2 can cause kidney injury by having a direct effect on the kidney tissue. The cytopathic effects of COVID-19 on podocytes and proximal tubular straight cells could cause AKI in sufferers. Podocytes are more sensitive to viral and bacterial invasions and are at greater risk. Monitoring renal function can prevent severe complications and reduce mortality. The prevalence of GI symptoms in COVID-19 patients could be between 11.4 and 50% [20]. The ileum and colon can become dysfunctional due to SARS-CoV-2 infection, which leads to multiple…