Production of a small subgenomic RNA in flavivirus-infected cells is this an example of virus-encoded molecules modifying signal transduction pathways to promote replication?
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Production of a small subgenomic RNA in flavivirus-infected cells is this an example of virus-encoded molecules modifying signal transduction pathways to promote replication?
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- Is the Degradation of Xrn1 in poliovirus-infected cells an example of virus-encoded molecules modifying signal transduction pathways to promote replication?Explain the role receptor-mediated endocytosis (RME) plays in virus replication (lytic cycle).Which of the following is an example of virus-encoded molecules modifying signal transduction pathways to promote replication? Production of a small subgenomic RNA in flavivirus-infected cells Degradation of Xrn1 in poliovirus-infected cells Herpes simplex virus protein that blocks pre-mRNA splicing Poliovirus cleavage of nuclear export proteins
- ‘’Viruses cannot be grown in standard microbiological culture such as broth and agar. They need to be cultured in the presence of a suitable host such as prokaryotic cells (easiest to grow in the lab), plants and animals because they are unable to reproduce independently in living cells’’.2.2 What are the changes that are brought by a virus to a cell? In your response, make reference to the cytopathic effect (CPE).Which of the following is an example of virus-encoded molecules modifying signal transduction pathways to promote replication? Group of answer choices Production of a small subgenomic RNA in flavivirus-infected cells Degradation of Xrn1 in poliovirus-infected cells Herpes simplex virus protein that blocks pre-mRNA splicing Poliovirus cleavage of nuclear export proteinsBriefly describe how the Nucleocapsid protein of rabies virus promotes the switch from transcription to viral genomic replication.
- Researchers studying the SARS-CoV-2 virus, also known as COVID-19, have found that the virus is able to circumvent its host cell's normal defenses by leaving the cell via its lyso- somes rather than its normal secretory vesicles, as illustrated in the figure below. endoplasmic reticulum nucleus disrupted lysosomal functions Entry and egress of the SARS-CoV-2 virus A Golgi complex Which of the following best explains their findings? B lysosome (deacidified) С lysosome (acidified) B-coronavirus normal biosynthetic pathway egress via lysosomal trafficking SARS-CoV-2 inhibits lysosomes of its host cells by decreasing the pH within them. SARS-CoV-2 activates lysosomes of its host cells by decreasing the pH within them. SARS-CoV-2 activates lysosomes of its host cells by increasing the pH within them. D SARS-CoV-2 inhibits lysosomes of its host cells by increasing the pH within them.Considering that each virus must bind to a specific cell surface receptor for attachment, explain how you would create a drug that prevents viral attachment.Please help explain this LAPTM5 Transport HIV-1 Env to the lysosome for degradation
- You are studying a new retrovirus. The viral protein (X) appears to play a role in the export of the viral genomes to the cytoplasm. Protein X brings viral DNA to the cytoplasm and returns back to the nucleus after genome export is complete. Researchers have developed a new drug for the virus. Following treatment with the new drug, the viral protein stays in the nucleus and cannot export the viral genomes. What is the most plausible and logical function of the drug? Use your knowledge of nuclear transport to answer this question. O A. The drug inhibits the binding of the viral protein and the viral genomes to the import receptor. B. The drug inhibits the binding of Ran-GTP to the nuclear export receptor in nucleus. C. The drug promotes the Ran GAP activity. D. The drug blocks the NLS on the viral protein.Explain the role receptor-mediated endocytosis (RME) plays in virus replication (lytic cycle). If you worked for a pharmaceutical company and wanted to develop a vaccine to prevent viral replication, how could you use your knowledge of RME to your advantage?A cell is infected with an HIV mutant that results in very little virus being released into the medium that is used to grow the cultured cells. Upon electron microscopy it is noted that the membrane of the infected cell is idenitcal in appearance to a cell that has not been infected. In addition there is relatively little viral RNA in the cells and relatively few proviruses in the cellular genome when compared to a non-mutant HIV infection. Which of the following proteins is most likely mutated? Multiple Choice gag reverse transcriptase vif vpu