You are studying RNA viruses and have discovered a new one that grows well in a culture of eukaryotic cells. You know that the virus is a single-stranded RNA virus, but you don’t know if it is plus or minus stranded. Your lab-mate says, “Well, just treat your cell culture with cyclohexamide and see if the virus replicates its genome.” You know that cyclohexamide inhibits protein elongation by binding to eukaryotic ribosomes. What is the basis of your lab-mate’s suggestion?

Q: Which of the following is NOT true regarding the genetic code and translation? a) An mRNA is…

A: Deoxyribonucleic acid or DNA is a type of nucleic acid that is present in the nucleus of the cell.…

Q: The function of RNA polymerase is to A) catalyze the formation of phosphodiester bonds between…

A: Gene expression is the process thorough which the DNA directs to form proteins. It involves two…

Q: You are studying a new virus with a DNA genome of 12 Kb. It can synthesize DNA at a rate of 400…

A: The whole collection of DNA instructions present in a cell is called the genome. The genome of a…

Q: you are given a printout of the sense strand of your DNA.  The printout is shown below. The first…

A: Introduction: DNA is a double helix having a sugar-phosphate backbone like a ladder and the base…

Q: Which of these molecules would have the most monomers (i.e. be longest)? a) RNA polymer that…

A: Nucleic acids are involved in various processes in the cell, their main role is the expression of…

Q: Researchers have been determining the nucleotide sequences of variant forms of SARS-CoV-2, looking…

A: The question is all about the mutations that are defined as the abrupt changes in DNA sequences that…

Q: Several common antibiotics affect some strains of bacteria's ability to carry out transcription…

A: Transcription is a heterocatalytic action of DNA by means of which RNA is synthesized from specific…

Q: Which of the following self-replicating biological agents carries only one polynucleotide chain as…

A: Viruses are the microscopic organisms that cause infectious diseases to the living organisms. They…

Q: A) Describe each step of the DNA REPLICATION in EUKARYOTIC organisms B) Describe each step of the…

A: Transcription = Re-writing DNA into RNADNA is "transcribed" or re-written into RNA in a very…

Q: When half of the DNA in the sample is double-stranded, that point is termed the half- reaction time…

A: Cot values give the renaturation index of the DNA strands. Cot 1/2 value defines that 50%…

Q: If a virus particle contained double-stranded B-DNA of 500,000 base pairs, what would be the radius…

A: There are 10 basepair per turn of the helical DNA so the helix rises by 34 A° per turn.

Q: A viral protein has a 20 amino acid amino acid chain consisting of the following primary structure:…

A: Amino acids are the building units of a protein. In viruses, protein is present in the capsid,…

Q: On the image showing the transcription of DNA to RNA, what does the letter F represent? Select the…

A:

Q: For many years, scientist believed that proteins were the source of heritable information. There are…

A:

Q: Which of the following viral nucleic acids can be used as a template to produce mRNA? Select all…

A: The information that is stored in the DNA by itself is of no use. There need to be Mechanisms that…

Q: RNA polymerase reads a template strand in the [blank] direction, and it synthesizes an RNA in the…

A: In most of the prokaryotes,single RNA polymerase causes transcription of all types of RNA. RNA…

Q: If a viral host cell has a mutation that interferes with the addition of carbohydrates to proteins…

A: It is a multiple choice question.

Q: Draw a generic (+)RNA virus replication cycle.  For viruses, (+) RNA indicates the genomic RNA can…

A: Proteins and FunctionsThe enzyme known as RNA-dependent RNA polymerase (RdRp) creates new (+) RNA…

Q: Draw replication forks that show what you would expect to see if a cell were unable to make the…

A: Replication is the process of synthesis of new DNA strand from the existing ones. The existing DNA…

Q: In the diagram below (Figure 22), fill in the terms in the appropriate places indicated by a letter.…

A: This represents central dogma of molecular biology. It shows the flow of genetic information from…

Q: Picture below shows the Hershey and Chase experiment. Identify where viral protein and viral DNA…

A: In their famous 1952 experiment, Alfred Hershey and Martha Chase used radioactive sulphur and…

Q: ure 1 above shows that remdesivir “mimics” an important component of RNA replication. Which…

A: A broad-spectrum antiviral drug that is injected intravenously is called Remdesivir. This medication…

Q: Which of the following is a contrast in genetics organization between COVID19’s RNA & human DNA a)…

A: DNA and RNA are the two primary categories of nucleic acids. Nucleotides, which have a five-carbon…

Q: Double-stranded RNA viruses, use the following polymerase for genome synthesis:   A)  viral…

A: Double-stranded RNA (dsRNA) viruses utilize viral RNA-dependent RNA polymerase (RdRP) for genome…

Q: What is the base sequence of the mRNA synthesized from the following DNA template strand?…

A: In order for a gene to be converted into a functional protein, two processes must take place namely…

Q: In RNA viruses, the + RNA genome can act as mRNA right away and proteins can be made. The + genome…

A: The virus is the submicroscopic infectious agent that replicates only inside the host cell. Based on…

Q: X Review Chargaff's conclusions (see slide) to answer this question. DNA extracted from bacteria was…

A: The values of guanine and adenine are equivalent to quantities of cytosine and thymine.

Q: RNA-dependent RNA polymerase performs which of the following functions? O 1) Uncoats the viral…

A: Various different kinds of enzymes are involved in the replication, transcription, and translation…