Figure 3 is an electron micrograph of polio virus, magnified 85,000 times. Measure the diameter of virus particle X and calculate its actual diameter. Show your complete solution. Could this virus be resolved under the light microscope? Support your answer with values of resolution.

Q: A student completed a plate and liquid lysate followed by a plaque assay. The volume harvested for…

A: PFU is the amount of viral particles capable of forming plaques in a sample. PFU of a viral sample…

Q: V OUR RELATIVE SIZES Rabies Influenza HIV Coronavirus TMV Papillomavirus Zika T7 virus Adenovirus…

A: According to the image and featuresInfluenza virusCorona virusHIV virusHere are the approximate…

Q: Are viruses living or non-living organisms? Explain your answer choice.also Discuss the difficulty…

A: A virus is defined as a submicroscopic infectious agent that duplicates just inside the living cells…

Q: ut the following steps of SARS-CoV-2 replication in order ag and drop options into correct order and…

A: SARS-CoV-2 is a single stranded RNA virus which causes Covid-19. For replication, it has to use host…

Q: You are researching how the virus that you are studying spreads through a host. Which of the…

A: The study of viruses is important in understanding how diseases spread and how to develop treatments…

Q: What are the different viral shapes and the different types of genomes they can have? Be very…

A: Viruses These are acellular microorganisms. They lack organelles, ribosomes, and plasma membrane.…

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: 1.Are viruses living or non-living organisms?

A: Microbes are living beings that cannot be easily visualized by naked eyes. Examples of microbes are…

Q: a typical eukarytic cell has a diameter of 50 microns while a corona virus particles has a diameter…

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

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: The size of a virus is approximately 10 raised to the power of (a) ________ meters

A:

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: asc DF eas fill Which of the following is NOT a step in the replication of a retrovirus? A diagram…

A: RNA is the genetic material for viruses called retroviruses. They are members of the retrovirus…

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

A: A virus is a microscopic infectious agent that replicates only inside an organism's living cells.…

Q: What is a virus? How do they differ from other infectious microorganisms? Make sure to explain each…

A: Virus are obligate parasites.  These are basically DNA or rna molecules with a protein coat .

Q: The herpes virus is a very large family of viruses which can cause human infections. There are many…

A: Viruses are inert organisms outside the host. They consist of DNA or RNA and a protein coat. They…

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: . Why is it helpful that the transmission compound light microscopes we studied in the lab are both…

A: A microscope is a scientific tool used to examine objects that are too small to be seen with the…

Q: The plaque assay plate below was made from a dilution of 10-7 and 0.1 ml of the dilution was plated…

A: To calculate the virus titer in plaque-forming units per milliliter (PFU/ml), we need to know the…

Q: The culture primarily contains nutrients such as sugars and a gel (agar). Why don’t viruses grow in…

A: Culture media are an integral part of the microbiology lab. There are various kinds of media used in…

Q: Which of the following statements regarding viral genomes is FALSE?   Question options:   viral…

A: Viral genomes :  ▪︎Viral genome and host cellular factors play an important role in the completion…

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: Viruses are usually ________ in size, and their structure is best viewed through the use of _______…

A: Viruses are intracellular, obligate parasites that contain either deoxyribonucleic acid (DNA) or…

Q: Indicate the number of nucleotide differences between the virus from Washington and the viruses from…

A: DNA and RNA are called as nucleic acids. The basic difference in the nucleotide sequence of DNA and…

Q: A virus has a double-stranded DNA genome that has 800 base-pairs. Of these, 21 % are thymine. How…

A: Total number of DNA base pairs= 800 (1600 single bases) As per Chargaff's rule, the amount of purine…

Q: Dont use guideline answer dont use extra explanation. Just solve full accurate and full accurate ok.…

A: Viruses have living as well as non living characters. For example the living character is present in…

Q: The N-95 mask is considered to be one of the safest masks. It’s pore size is 0.3 um. If that is so,…

A: In the current situation covid is affecting quite a lot and several effective measurements are taken…

Q: In details, compare the life cycles of influenza virus and measles virus (4-5 points of…

A: A virus often replicates into more virus particles within the living system which includes both…

Q: viral stock

A: MOI -> multiplicity of infection PFU -> plaque forming units Number of cells * desired MOI =…

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: Is COVID-19 virus a eukaryotic or prokaryotic cell, explain your answer.

A: All living organisms are made up of cells, which are the most basic unit of life. They are…

Q: The HIV Virus The virus particle is spherical in shape. Its structure consists of multiple enclosed…

A: Human immuno deficiency virus (HIV) is primarily  a RNA virus. It causes AIDS which is a chronic…

Q: Below is a figure for the cycle of the Influenza virus. Explain the shape.

A: Influenza virus(Flu virus) is a virus that cause flu by attacking lungs,throat and nose.This virus…

Virus

Viruses are infectious microscopic agents that can only reproduce in live cells of animals, plants, or microbes and are smaller than bacteria. Vertebrates, invertebrates, plants, protists, and fungi are among their many hosts. Viruses are unable to multiply on their own due to the lack of necessary cellular machinery, but they can guide the cell machinery of a host to make additional viruses by infection. The virus enters and attaches to a particular host cell, injects its genetic material, and reproduces by using the host’s genetic material. Viruses cause infection by taking entry into the host cell and using the host cell’s enzymes and raw materials to multiply.