Many antibiotics work by inhibiting bacterial translation. Why would a drug shown to inhibit viral translation never be licensed for use in humans?

Q: Describe methods to control and destroy prions.

A: Prions are infectious protein particles that cause fatal neurodegenerative illnesses, such ad…

Q: Describe the classes of antibacterial drugs that act on DNA orRNA, and characterize their uses.

A: Antibacterial drugs refers to those chemical substance that are derived from biological sources or…

Q: How do we know that during transduction bacterial cell-to- cell contact is not essential?

A: Transduction is a process of genetic recombination by which a foreign DNA is transferred into a…

Q: What is the main problem with retroviral vectors?

A: Retroviral vectors are created by removing replication and disease-causing genes from the virus and…

Q: Why is a host-cell tRNA needed for reverse transcription?

A: Reverse transcription is a process used by retroviruses(RNA viruses) which encodes its RNA genome…

Q: Where does RNA polymerase bind DNA?a) Promoterb) Operatorc) Enhancerd) None

A: The DNA is the genetic material that is passed from one generation to the next generation. It is…

Q: What does the enzyme reverse transcriptase do and why is it agood target for anti-HIV drugs?

A: A virus is a submicroscopic infectious agent. It replicates only inside the living cells of an…

Q: Actinomycin D is an inhibitor ofa) Transcriptionb) Translationc) Replicationd) None

A: Actinomycin D, an antitumor drug composed of a heterocyclic chromophore and two cyclic pentapeptide…

Q: What mechanism of antibiotic resistance does the NDM gene code for?

A: Antibiotic Resistance is the phenomenon by which any bacteria can survive in the presence of…

Q: If tryptophan is absent from the environment of E.coli, the trp operon will be _______ A) mutated…

A: trp operon It is defined as a group of genes which encode the biosynthetic enzymes for the…

Q: Explain why drugs that effect bacterial ribosomes can be safely used in treating people.

A: Ribosomal subunits are the site of protein synthesis in both prokaryotes and eukaryotes. Some…

Q: Which of the following statements is not applicable to conjugation? A) OF factors are transferrable…

A: Bacteria are single-celled microbes. These organisms are capable of exchanging inheritable material…

Q: Which of the following antibiotic resistance mechanisms are most likely to be encoded by a single…

A: Any substance which is produced naturally, artificially, or through a synthetic origin that kills or…

Q: Why would some bacterial species be more likely than others to develop UV-induced mutations?

A: Answer: Introduction: Mutation- These are the random heritable changes that occurs in the DNA…

Q: What part of a eukaryotic cell could be affected by antibiotics that target ribosomes and why?

A: Majority of antibiotics that block bacterial protein synthesis interfere with the processes and…

Q: Discuss some advantages and disadvantages of bacteriophage therapyin treating bacterial infections.

A: Bacteriophage is defined as the type of virus that infects bacteria. It is also called as bacterial…

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: how do DNA analogs act to inhibit replication of an RNA virus

A: Step 1 Nucleoside analogs are nucleoside that contains a nucleic acid analog as well as sugar,…

Q: The mechanism by which lactose controls the lac of A) O Catabolite repression B) O DNA polymerase C)…

A: Operons are studied to understand the regulation of gene expression. It is studied under the domain…

Q: What enzyme is required for the movement of transposable elements that involve an RNA intermediate…

A: Transposable elements are sequences of genes that have the ability to move or jump from one location…

Q: An operon that encodes enzymes that degrade ampicilin is most likely __________ . A) inducible B)…

A: Option A and B are the answer. An operon that encodes enzymes that degrade ampicilin is most likely…

Q: Which of the following bacterial operon is not controlled by attenuation? a) Histidine b) Leucine c)…

A: The bacterial operon that is not controlled by attenuation is the arabinose operon. Attenuation is a…

Q: Why is phage conversion considered beneficial to host cells?

A: Phages are viruses that have bacterial cells as their host.

Q: Describe how antibiotic resistance develops in bacteria.

A:

Q: Synthesis of new bacteriophages in a bacterial host involves the use of   a.) Host cell encoded…

A: Phages that only infect bacteria are known as bacteriophages. Phage are available in a wide range of…

Q: How do repressors reduce transcription of an operon? A) recruit RNA polymerase to promoters B)…

A: Repressors are the proteins that has a negative effect on the expression of gene. These are those…

Q: inducible operon

A: Transcription: The process of copying of a segment of DNA into RNA is known as Transcription. The…

Q: What is the effect of a mutation in the allosteric site of the Lac Repressor protein?

A: Lac operon (often called lactose operon) is an important operon sequence required for the metabolism…

Q: Describe the generation of multiple-drug-resistantplasmids

A: Drug inactivation or modification is one mechanism of drug resistance. Changes to the target site.…

Q: Generalized and specialized transduction both involvebacteriophages. What are the differences…

A: Transduction is a method of transfer of genetic material in which a bacteria is infected by a virus.…

Q: Why is the detection of viral RNA not equivalent to a high risk transmission method?

A: The detection of the viral RNA, detection of infectious virus and equivalent transmission risk are…

Q: Under what circumstances can E. coli cause disease and what delivers the gene/plasmid?

A: E.coli or Escherichia coli  is a Gram-negative, rod-shaped, facultative anaerobic bacterium. It is…

Q: Is a bacterial operator a binding site?

A: Introduction:- Other DNA sequences, in addition to the coding region of a gene, are essential for…

Q: Which of the following is RNA-dependent RNA polymerase?a) Reverse transcriptaseb) RNA polymerase Ic)…

A: RNA Polymerase is an enzyme that brings about polymerization of ribonucleotides to form RNA. Usually…

Q: 1) Assume you have an operon that is repressible. In this case, the rate of synthesis of repressor…

A: An operon is defined as a DNA functioning unit containing a cluster or group of genes under the…

Q: In their studies of Streptococcus pneumoniae, members of Avery's lab demonstrated that bacteria can…

A: Bacterial transformation is the process where a competent bacterial cell picks up foreign DNA from…

Q: What is the function of reverse transcriptase in retroviruses? a) It converts viral RNA into…

A: Introduction Retroviruses:- Retroviruses are single-stranded RNA viruses that used RNA as their…

Q: How is the ribosome a target in terms of antibiotic action mechanisms

A: Ribosomes are major target for antibiotic action and can be mediated by the following:-…