If the HIV did not have a reverse transcriptase enzyme, then which of the following would apply?Select one:a. The virus can make use of the reverse transcriptase enzyme from the host cell to convert its RNA intoDNAb. Viral particles will be produced without reverse transcriptase enzyme since the original HIV is anRNA virus and needs to assemble RNA ant coat proteins togetherc. The virus will manufacture its proteins from its RNA using translation and ribosomes from host celld. Provirus will not be formed and assembly of viral particles will never occure. The virus will not be able to recognise the host cell and therefore entry into the cell is blocked

Human immunodeficiency virus (HIV) is a retrovirus that comprise a large and diverse family of…

Answered: If the HIV did not have a reverse…

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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Why not just inject the double-stranded cDNA that codes for the spike protein of the virus? What additional step or steps would you need to use to get the human muscle cells to produce the spike protein if the cDNA was injected to serve as the virus? The new Covid19 vaccine produced by two companies (Pfizer, Moderna) uses mRNA coding for part of the spike protein of the virus. The virus uses the spike protein to invade human cells where it replicates. Is it surprising that the mRNA must be stabilized with chemicals that need ultra-cold or frozen storage to protect the mRNA from degradation before it causes human muscle cells to make the spike protein?
You are studying a new virus with a DNA genome of 12 Kb. It can synthesize DNA at a rate of 400 nucleotides per second. If the virus uses rolling-circle replication, how long will it take to replicate its genome? Answer only for the first strand; ignore replication along the displaced strand. O 7.5 seconds O 15 seconds O 30 seconds O 1 minute O 2 minutes
Using retroviral vectors for gene therapy might increase the patient's risk of developing cancer because they might: a. introduce proteins from the virusb. integrate recombinant DNA into the genome in ways that misregulate the expression of genes at or near the site of integrationc. not express the genes that were introduced into a patient's cellsd. not integrate their recombinant DNA into the patient's genome
Which nucleic-acid based technique will detect norovirus? A. Fluorescent In Situ Hybridization (FISH) probes B. PCR with primers specific for the genome of this virus C. Terminal Restriction Fragment Length Polymorphism (T-RFLP) D. reverse transcription PCR with specific primers A patient's blood sample tests positive for the antigen to Vibrio cholerae. Which of the following interpretations is correct? A. This person has cholera. B. This person was exposed to any species of Vibrio. C. This person was exposed to V. cholerae recently. D. This person had cholera at some point in their lifetime.
Which of the following viral nucleic acids can be used as a template to produce mRNA? Select all that apply. plus strand DNA plus strand RNA minus strand RNA minus strand DNA
Let's imagine you have discovered a new RNA virus and found a cell line to grow the viruses (lucky you!). Early experiments show virus' genome to be single-stranded RNA but you are unsure if it is positive or negative RNA. Explain how using anisomycin, an eukaryotic protein synthesis inhibitor, could potentially provide an answer.
Provide a brief description behind your choice? Virus-mediated transfer of cellular genetic material from one bacterial cell to another by means of virus particles is called: (A) transduction (B) transposition (C) transformation (D) transfection One strand of double-stranded DNA is mutated, changing all cytosines to uracils. After one round of replication of the mutated DNA strand, the melting temperature of the resulting DNA will: (A) be higher (B) be lower (C) remain the same (D) be double The Southern blotting technique is used for: (A) the detection of RNA fragments onmembranes by specific radioactiveantibodies (B) the detection of DNA fragments onmembranes by a radioactive DNAprobe (C) the detection of proteins on membranesusing a radioactive DNA probe (D) the detection of DNA fragments onmembranes by specific radioactiveantibodies Superoxide dismutase is an important enzyme for maintenance of red blood cells and is defective insome neurodegenerative diseases. What…
Assume you isolate a single stranded (+) RNA virus. When you examine the proteins in the virus, you find that it does NOT contain replicase enzymes within its capsid. Which of the following is true? This virus must have a gene that encodes replicase. This virus will not be able to enter a host cell. Its genome cannot be translated (the process of translation) by the host cell ribosomes. A DNA copy of the viral genome has to be made before viral genes are expressed. This virus must lack surface antigens.
You have just isolated the covid-19 virus. Analysis of its genome reveals that it is composed of a single stranded RNA molecule containing 24% adenine. Based on this information, what would you predict the % cytosine to be? (a) 24% (b) 26% (c) 48% (d) 52% (e ) Cannot be determined from the information given
Which of the following enzymes helps the +sense RNA virus Poliovirus to make multiple copies of its genome? A. RNA dependent RNA polymerase B. RNA dependent DNA polymerase C. Reverse transcriptase D. DNA Polymerase I E. DNA dependent RNA polymerase
The dUTPase enzyme is used by the African swine fever virus to repair its own DNA, as the cells the virus infects in swine do not express the dUTPase protein. Which of the following is a reasonable explanation for the role of the dUTPase in the virus lifecycle? Explain your choice in 25 words or less. The dUTPase is necessary to remove dUTP from the viral genome, as uracil should not be present in DNA The dUTPase is necessary to remove dUTP from the viral genome, as uridine cannot correctly base pair with adenine-containing bases The dUTPase is necessary to remove dUTP from the viral genome, as uridine has the wrong sugar component for building DNA More than one of the above answers is correct None of the above answers is correct
A new virus has recently been discovered that infects human lymphocytes. The virus can be grown in the laboratory using cultured lymphocytes as host cells. Design an experiment using a radioactive label that would tell you if the virus contains DNA or RNA genome.

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