Since our current pandemic is caused by SARS-CoV-2, a coronavirus, let us get to know it better by labelling the virion diagram that follows using only the appropriate terms found on the word bank given. protein M (Made of?) protein E What viral shape does it have? Coronavirus genomic material capsid envelope viral appendages DNA RNA helical polyhedral enveloped complex

Since our current pandemic is caused by SARS-CoV-2, a coronavirus, let us get to know it better by labelling the virion diagram that follows using only the appropriate terms found on the word bank given. protein M (Made of?) protein E What viral shape does it have? Coronavirus genomic material capsid envelope viral appendages DNA RNA helical polyhedral enveloped complex

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter17: The Immune System And Disease

Section: Chapter Questions

Problem 1ACQ: Figure 17.5 Which of the following statements about virus structure is true? a. All viruses are...

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Indicate whether the following sentences is either True or False and CORRECT the wrong sentences : Simian Virus 40 (SV40) is an example of is a circular ssDNA belong to Polyomavirus, was first isolated from primary cell cultures derived from rhesus monkey kidneys, and activates p53. SARS-COV-2 is an enveloped, icosahedral virus that is surrounded by a lipid bilayer and causes COVID-19 pandemic.
Can you please pick the right answer in each parentheses? The spike protein of SARS-CoV-2 is a carbohydrate-modified protein that ["bind the RNA genome of the virus", "", "is on the surface of the viral particle", ""] and plays a role in both ["replication of the viral genome", "recognition of host cell"] and ["packaging of viral genome for export", "fusion of viral envelope with host cell plasma membrane"] . Importantly, earlier work on spike proteins from other corona viruses showed that this molecule ["remarkable resistance to immune response", "shows remarkable conformational changes"] and only one of these served as a good antigen for vaccine development. A critical discovery in advancing the development of our current vaccines was determining what changes in the amino acid sequence would ["block degradation of the spike protein", "stabilize the conformation of the protein found on the viral particle"]. This…
Answer the following and inlcude the references SARS-CoV-2, the virus that causes CoVid-19, belongs to the Coronaviridae family. Viruses under this family have a genome made of single-stranded positive-sense RNA. Is this similar to the viral genome of HIV? If so, do you think that – in theory – they would have similar replication cycles? Do you think that ART combinations/options might help in suppressing the viral replication of SARS-CoV-2? Expound.
TRUE or FALSE: All icosahedral viruses are enveloped. - Bacteriophages containing icosahedral heads attached to helical tails have this type of capsid structure: Modified Complex Icosahelical Helicosahedron
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 acid
Syn5 is a virus that infects photosynthetic bacteria belonging to the genus Synechococcus. The Syn5 virion is icosahedral (660 Å in diameter) with a short tail and an appendage called a horn. The horn is located on a vertex directly opposite the tail. Syn5 follows the typical five steps observed for most viruses when they multiply, and progeny viruses are released when the host lyses. The assembly of Syn5 virions involves several proteins, including capsid proteins, scaffolding proteins, a portal protein, a terminase, tail proteins, and horn proteins. To better understand the assembly of Syn5 virions, scientists used a type of microscopy called Zernike phase contrast electron cryotomography. This type of microscopy improves the contrast typically seen for conventional cryotomography. In their studies, the scientists observed several different developing virus particles in infected cells. The particles were: (1) 660 Å icosahedron containing DNA and having a tail; (2) 660 Å icosahedron…
Although the HIV virus also referred to as a retroviruse,reaembles the flu and mumps virus in outward appearance it contains unique internal properties.Discuss these properties
Match 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 Streptococcus
Indicate whether the following sentences is either True or False and CORRECT the wrong sentences ( please answer the two questions 1 and 2) : 1. Simian Virus 40 (SV40) is an example of is a circular ssDNA belong to Polyomavirus, was first isolated from primary cell cultures derived from rhesus monkey kidneys, and activates p53. 2. SARS-COV-2 is an enveloped, icosahedral virus that is surrounded by a lipid bilayer and causes COVID-19 pandemic .
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
A viral particle adsorbs onto a host cell membrane. It uncoats and releases its single-stranded nonsegmented nucleic acid into the cytoplasm where it is immed dependent RNA polymerase, into mRNA. It is then translated into viral structural proteins and enzymes. Which of the following virus families is most likely repre A) Herpesviridae B) Paramyxoviridae C) Parvoviridae D) Reovirius E) Retroviridae
An illness with an envelope or wrapper around it. In a process known as "sprouting off," the infected cell, or host, produces this membrane. Recently framed virus particles are "encompassed" or encased by an exterior coat formed using a little piece of the phone's plasma film during the maturing system. Endocytosed enveloped viruses exit endosomal compartments during endosome development and fusion with the lysosome for this reason. However, some viruses are able to escape earlier in the process than others.