An equal volume of the original virus preparation was mixed with a suspension of 1X1010 latex beads/mL and examined by electron microscopy. There were 7X more virus particles than latex beads.

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A: The cells can be isolated, maintained and grown in vitro in culture media. It contains a mixture of…

Q: Generally, which of the following methods could be used to detect the viral nucleic acid TRUST…

A: Nucleic acid is a type of macromolecule present in all cells and viruses. It is a natural compound…

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A: Combining image gathering with computationally intensive image analysis can yield a wealth of…

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A: 1) The coronavirus jumps from one infected cell to another uninfected cell at an angle to the…

Q: The term_________________T means pertaining to a virus. viral virile

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Q: A virologist needs to remove all bacteria from a solution containing viruses without removing the…

A: Viruses are infectious organisms that are neither considered living or nonliving due to the fact…

Q: Name many (more than four) viruses or bacteria a titer not detect even if the patient had already…

A: Introduction- Viruses or bacteria are the categories of germs which usually takes place in the air,…

Q: What two different DNA viral infections can be identifi ed with a Pap smear? Explain what…

A: Pap smear:          A pap smear is also recognized as pap test, a normal test procedure used to…

Q: urfaces contaminated with Hepatitis A are best disinfected with house hold bleach not 70% alcohol…

A: Hepatitis A is a small non-enveloped RNA virus. It causes highly contagiuos liver infection and is…

Q: What type of virus is the varicella-zoster virus? ( type: DNA/RNA,  single or double stranded) ?

A: varicella zoster is a virus. it causes chickenpox, also called varicella and shingles, called herpes…

Q: A microbiologist obtained two pure biological samples: one of a virus, and the other of a viroid.…

A: Viruses (Virus particles or virions) are characterized of consisting of nucleic acids and coat…

Q: The scale bar in panels (a) and (d) in this image is 50 um (micrometeraj. Question: Which of the…

A: Microscope   A device use to visualise non visible extremely small microorganisms.

Q: Explain how someone who was infected with SARS-CoV-2 could still test negative two days after…

A: Covid 19:  Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus 2…

Q: Please answer the following. Name of Virus Parainfluenzae viruses Corona viruses Polio viruses…

A: Introduction Polio eradication is a global public health cause. The polio virus causes acute and…

Q: If you are asked to culture virus how it proeecds and which type of conditions will be needed to…

A: Virus is a microorganism that is neither prokaryotic or eukaryotic. This is because the virus…

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A: Given that the diameter of a typical eukaryotic cell = 50 microns the diameter of a coronavirus…

Q: Chemical composition analysis of a viral genome showed 22.1% A, 27.9% C, 27.9% G, and 22.1% U. Based…

A: Given base composition is: Adenine = 22.1% Cytosine = 27.9% Guanine = 27.9% Thymine = 22.1 %

Q: What does circulating HBeAg indicate about individuals with chronic HBV infection?

A: Introduction: The HBeAg stands for hepatitis B e-antigen. This antigen circulates in the blood of an…

Q: Assaying virus concentration requires healthy cell cultures. Give possible reasons to account for…

A: Cell cultures are more convenient and less expensive than eggs and animals, are convenient to…

Q: A graduate hopes to cultivate large numbers of a particular virus in the lab. How could this be…

A: Viruses are the obligate parasite that require a proper condition for their growth. Unlike all the…

Q: There are several corana virus in database, why is the SARS-CoV- 2 so dangerous

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Q: Does Soap kill virus?

A: Soap is the salt of long-chain fatty acids. They are used for various purposes like cleaning and…

Q: Please match the definition. 1. Layers that surround the virus, giving it an exact shape that will…

A: Viruses are the link between living and non-living as they are normally non-living crystal in the…

Q: Viruses cannot be grown on any inanimate culture medium. Explain.

A: Viruses are ultra-microscopic organisms that are inert outside living organism. They are obligate…

Q: Refer to the illustration below, Identify the part that is labelled B A ,B Capsid Head viral…

A: Virus are minute particles , much smaller than the bacteria which are capable of causing infection…

Q: Why is making hypothetical virus important? Note this is not a writing assignment

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Q: Figure 3 is an electron micrograph of polio virus, magnified 85,000 times. Measure the diameter of…

A: Introduction Poliomyelitis, usually known as polio, is a viral infection caused by the poliovirus.…

Q: Why is there an inverse relationship between the dilution factor and the amount of virus in…

A: The dilution factor is the calculation of how much a new solution is less concentrated than the…

Q: What technique must be used to visualize a virus?

A: Viruses are an acellular parasite that are not able to reproduce on their own. It is not considered…

Q: There are several coronavirus in the database, why is the SARS-CoV-2 so dangerous

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Q: Test type Tests for presence of | Accuracy Time to get results RT-PCR test Pieces of the virus's Few…

A: In the past few months, Coronavirus has been affecting millions of people around the world. There…

Q: A1 A2 Virus A Family a al a2 Virus B B1 B2 al A1 B1 a2 A2 B2 Sample 1

A: The virochip is the DNA microarray designed to detect all known viruses and to discover new viruses.

Q: how a scientist could use an electron microscope to identify a virus?

A: Answer: Introduction: Microscope is an optical instrument to study microscopic organisms such as…

Q: Non-enveloped viruses are more resistant to changes in temperature, pH, and some disinfectants than…

A: Viruses are mainly classified based on their genetic material i.e. RNA or DNA.  But based on their…

Q: You are given Zika virus DNA, discuss the recombinant DNA techniques that could be used to develop…

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Q: You do a viral plaque assay using the six well plate shown below. The dilution scheme, what was…

A: The ideal plaque should be between 10 and 50. The plaque count is 11 in B1.  Volume plated=…

Q: How many viruses are adsorbed per cell (multiplicity of infection)

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: How would you describe the kind of capsid found on this virus fromfigure ? In what ways is this…

A: A virus is submicroscopic infectious particle that replicates only inside the living cells of an…

Q: Match the specific parts/structures of the B-virus below 65 nm B. Pin (a) A T-even bacteriophage (…

A:

Q: viral stock

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Q: What can be observed in wet mounts or hanging-drop slides that cannot be observed in heat-fixed…

A: In a wet mount slide the specimen is suspended in the drop of liquid(water) placed on the slide and…

Q: A 42 year old man developed a “flu-like” syndrome with fever, sore throat, headache, and myalgia.…

A: Introduction: Age, status of immune system, and inherent medical circumstances affect the sign and…

Q: Which measurement is most reasonable for a virus? a. 65 nanometers b. 1 micrometer c. 900…

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Q: Describe the etiology/aetiology, morphology, and pathogenesis of the Zika virus. Note: You have to…

A: The Zika virus is a flavivirus that is spread through the bite of an infected Aedes mosquito. The…

Q: Shape of a virus is determined by its envelope. Select one: O True O False

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Q: N1H1 virus

A: The virus is a microscopic organism. It can only multiply in a living host. Viruses are dangerous to…

Q: Viral enzyme analysis Infectivity analysis

A: Viruses are simple, noncellular entities consisting of one or more molecules of either DNA or RNA…

Q: Please tap on the portion of the image that represents the membrane of the virus ( on the right side…

A: Many viruses are surrounded by a continuous bilayer membrane studded with viral proteins. Its…

Q: What is the biological name and the structure of virus goinin on and how the sanitizer prevents it…

A: A virus is a microscopic organism that is made of nucleic acid surrounded by the protein coat. The…

Q: What are the defining characteristics of Baltimore Class III virus ? Give an example of a class III…

A: According to the question, we have to define the characteristics of the Baltimore class III virus.…