2009 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 virus

2009 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 virus

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter10: Biotechnology

Section: Chapter Questions

Problem 2CT

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There have been recurring cases of mad-cow disease in the United Kingdom since the mid-1990s. Mad-cow disease is caused by a prion, an infectious particle that consists only of protein. In 1986, the media began reporting that cows all over England were dying from a mysterious disease. Initially, there was little interest in determining whether humans could be affected. For 10 years, the British government maintained that this unusual disease could not be transmitted to humans. However, in March 1996, the government did an about-face and announced that bovine spongiform encephalopathy (BSE), commonly known as mad-cow disease, can be transmitted to humans, where it is known as variant Creutzfeldt-Jakob disease (vCJD). As in cows, this disease eats away at the nervous system, destroying the brain and essentially turning it into a spongelike structure filled with holes. Victims experience dementia; confusion; loss of speech, sight, and hearing; convulsions; coma; and finally death. Prion diseases are always fatal, and there is no treatment. Precautionary measures taken in Britain to prevent this disease in humans may have begun too late. Many of the victims contracted it over a decade earlier, when the BSE epidemic began, and the incubation period is long (vCJD has an incubation period of 10 to 40 years). A recent study concluded that 1 in 2,000 people in Great Britain carry the abnormally folded protein that causes vCJD. In spite of these numbers, the death rate from vCJD remains low. It is not clear whether this means that the incubation period for the disease is much longer than previously thought, or whether they may never develop the disease. If you were traveling in Europe, would you eat beef? Give sound reasons why or why not.
There have been recurring cases of mad-cow disease in the United Kingdom since the mid-1990s. Mad-cow disease is caused by a prion, an infectious particle that consists only of protein. In 1986, the media began reporting that cows all over England were dying from a mysterious disease. Initially, there was little interest in determining whether humans could be affected. For 10 years, the British government maintained that this unusual disease could not be transmitted to humans. However, in March 1996, the government did an about-face and announced that bovine spongiform encephalopathy (BSE), commonly known as mad-cow disease, can be transmitted to humans, where it is known as variant Creutzfeldt-Jakob disease (vCJD). As in cows, this disease eats away at the nervous system, destroying the brain and essentially turning it into a spongelike structure filled with holes. Victims experience dementia; confusion; loss of speech, sight, and hearing; convulsions; coma; and finally death. Prion diseases are always fatal, and there is no treatment. Precautionary measures taken in Britain to prevent this disease in humans may have begun too late. Many of the victims contracted it over a decade earlier, when the BSE epidemic began, and the incubation period is long (vCJD has an incubation period of 10 to 40 years). A recent study concluded that 1 in 2,000 people in Great Britain carry the abnormally folded protein that causes vCJD. In spite of these numbers, the death rate from vCJD remains low. It is not clear whether this means that the incubation period for the disease is much longer than previously thought, or whether they may never develop the disease. What measures have been taken to stop BSE?
Figure 17.6 Influenza virus is packaged in a viral envelope, which fuses with the plasma membrane. This way, the virus can exit the host cell without killing it. What advantage does the virus gain by keeping the host cell alive?
Please answer with yes or no with correcting the falte statement. Felline to cottart the will cost the whole statements mark, 56) Prionsare small circular RNA Viruses, those viruses don't have capsid and they can't replicate in their own. They need & helper virus like hepatitis If virus to replicate 57) Car receptor can act as a receptor for multiple viruses, like adenoviruses and Herpesviruses. 58) For infiuenza viruses they enter the host cell via Clathrien-coated pits endocytosis; in which the cell receptors will be digested by the lysozyme enzymes 59) Uncosting is the removal of the outer capsid in order to release the genome to start the viral replication, In case of adenovirus the uncoalo appen.. membrane
Describe 4 differences and 4 similarities between viral lytic and lysogenic phases. * For each difference clearly state the reason why lytic is different from lysogenic using technical biological terms.* For each similarity you can just state what is the reason(s) the 2 phases are similar. Essay Limit: 300 words Book: Biology (Campbell) 11 edition Urry. Cain. Wasserman. Minorsky. Reece
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?
Chapter 13: Viruses, Viroids, and Prions16. Bacteriophage: Compare and contrast virulent vs.temperate bacteriophage. In your response please address the following:a. Draw (separately) the components of the lytic and lysogenic cycle and describe the type of virus (virulent or temperate) that goes through each cycle.b. Identify and describe and key steps in each cycle.c. Is the infection productive or latent? Explain. *Be sure to define any terms and be specific in your response.
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…
Clear select Which of the following statements concerning viruses and human health is 1 false? O in many diseases caused by viruses, the virus attacks cells as it reproduces O many viral diseases can be controlled through vaccinations O some viruses can remain dormant in the body for years before disease symptoms appear O most viral infections are difficult to treat, but they can be finally destroyed by antibiotics
of Poxviruses are unusual among DNA viruses because their replication cycles takes place entirely in the host cell cytoplasm. How can these viruses carry out genome replication and transcription of viral genes without going to the nucleus? Briefly explain. Edit View Insert Format Tools Table 20px v Paragraph v へへヘ .V8:11 EEO 1I0 & %24 9 6 n d k 4
latent infection by animal viruses is most similar to which of the following events: lytic life cycle in bacteriophages O antigen shift antigen drift persistent infection by animal viruses O lysogenic life cycle in bacteriophages
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