Antiviral drugs that are base analogs inhibit
a. Viral Entry.
b. Genome Replication.
c. Uncoating.
d. Naturation.

1 Answer

Answer :

b. Genome Replication.

Related questions

Description : The transposase gene encodes an enzyme that facilitate A- viral replication within a genome B- general recombination C- site-specific integration of transposable elements D- none of the above

Last Answer : site-specific integration of transposable elements

Description : Which one of the following statements about interferon is FALSE? a. Interferon is produced in response to a viral infection. b. Interferon is a naturally produced protein. c. Interferon puts uninfected cells in an antiviral state. d. Interferon is a protein that binds to RNA virus genomes.

Last Answer : d. Interferon is a protein that binds to RNA virus genomes.

Description : The oncogene theory states that transforming genes a. Normally Occur In The Host Genome. b. Can Exist In Viruses. c. Are Not Of Viral Origin. d. All Of The Above (A—C) Are Correct.

Last Answer : d. All Of The Above (A—C) Are Correct

Description : The function of a viral capsid is A.protection against the viral genome from physical and enzymatic destruction B.providing binding sites that enable the virus to attach to specific receptor sites on the host ... C.serving as a vehicle of transmission from one host to another D.all of the above

Last Answer : D.all of the above

Description : Presently, the goal of antiretroviral therapy is: A. Eradication of HIV from the body of the patient B. Inhibit viral replication to undetectable levels C. Restore immune competence of the patient to effective level D. Both 'B' and 'C'

Last Answer : D. Both 'B' and 'C

Description : Choose the correct statement(s) about retroviral protease inhibitors: A. They act at an early step in HIV replication B. They are more active in inhibiting HIV than zidovudine C. They inhibit CYP3A4 and interact with many other drugs D. Both 'B' and 'C' are correct

Last Answer : D. Both 'B' and 'C' are correct

Description : Antifungal drugs, such as_ __, inhibit proper formation of a. Miconazole; A Plasma Membrane b. Griseofulvin; Dna c. Ketoconazole; A Cell Wall d. Tiucytosine; A Rnicrotubule

Last Answer : d. Tiucytosine; A Rnicrotubule

Description : The imidazole drugs are of value for treating a. Viral diseases. b. Protozoal diseases and bacterial diseases. c. Bacterial diseases. d. Fungal diseases.

Last Answer : d. Fungal diseases

Description : Though few in number, some drugs, such as _____, can be used to treat some viral infections. a. penicillin and ampicillin b. isoniazid and dapsone c. amantadine and acyclovir d. streptomycin and amphotericin

Last Answer : c. amantadine and acyclovir

Description : One of the practical applications of genetic engineering is the bacterial production of ____. a. human insulin. b. human growth hormone c. blood clotting factors VIII and IX d. antiviral proteins e. all of the above

Last Answer : c. blood clotting factors VIII and IX

Description : The antiviral action of amantadine is exerted through: A. Interaction with the viral M2 protein B. Interaction with a virus directed thymidine kinase C. Inhibition of a viral protease enzyme D. Inhibition of viral RNA mediated DNA synthesi

Last Answer : A. Interaction with the viral M2 protein

Description : Which one of the folLowing statements is NOT true of the influenza viruses? a. They have a segmented genome. b. The genome is double-stranded DNA. c. The viruses have an envelope. d. There are three types of flu viruses

Last Answer : b. The genome is double-stranded DNA.

Description : The genome of a virus may contain either ______ or ______. a. DNA; protein b. protein; carbohydrate c. carbohydrate; RNA d. RNA; DNA

Last Answer : d. RNA; DNA

Description : An RNA virus genome in the form of messenger RNA is referred to as a a. + strand RNA. b. double-stranded RNA c. – strand RNa d. Reverse strand RNA.

Last Answer : a. + strand RNA.

Description : A metagenome refers to a. A Large Genome In An Organism. b. The Collective Genomes Of Many Organisms. c. The Genome Of A Metazoan. d. Two Identical Genomes In Different Species.

Last Answer : b. The Collective Genomes Of Many Organisms.

Description : What percentage of the human genome is identical to the yeast genome? a. 5% b. 10% c. 25% d. 50%

Last Answer : c. 25%

Description : The first completely sequenced genome from a free-living organism was from a. Humans. b. E. coil. c. Haemophiius. d. Bordeteila.

Last Answer : a. Humans.

Description : The bacterium Deinococcus radiodurans has been of interest to molecular biologists because a. it has the smallest known bacterial genome. b. it is a "living fossil" linking the Bacteria and Archaea. c. it has the largest known bacterial genome. d. it is very resistant to radiation damage.

Last Answer : d. it is very resistant to radiation damage.

Description : The term used for acquisition of naked DNA from its environment and its incorporation in their genome by a bacterium is A.transformation B.lysogenic conversion C.conjugation D.transduction

Last Answer : A.transformation

Description : Which phage always carries a small piece of E.coli genome? A.Lambda B.Mu C.T4 D.T3

Last Answer : B.Mu

Description : n the time since E. coli and Salmonella diverged evolutionarily A.there has been little change in either genome B.E. coli has acquired many genes via horizontal transfer C.E, coli has lost approximately 50% of its genome D.none of these

Last Answer : C.E, coli has lost approximately 50% of its genome

Description : In the time since E. coli and Salmonella diverged evolutionarily A.there has been little change in either genome B.E. coli has acquired many genes via horizontal transfer C.E, coli has lost approximately 50% of its genome D.none of these

Last Answer : C.E, coli has lost approximately 50% of its genome

Description : Which of the following defines an open reading frame (ORF)? A.A sequence of genome in bacteriophage B.The sequence of a complete genome C.A plasmid vector used in genome sequencing D.A possible gene predicted by DNA sequencing

Last Answer : D.A possible gene predicted by DNA sequencing

Description : What was the first bacterial genome to be sequenced and made public? A- Bacillus subtilis B- Escherichia coli C- Haemophilus influenza D- No bacterial genome has been sequenced yet

Last Answer : Haemophilus influenza

Description : Which type of genomics studies the transcripts and proteins expressed by a genome? A- Comparative genomics B- Structural genomics C- Proteo genomics D- Functional genomics

Last Answer : Functional genomics

Description : Which of the following defines an open reading frame (ORF)? A- .A sequence of genome in bacteriophage B- The sequence of a complete genome C- A plasmid vector used in genome sequencing D- .A possible gene predicted by DNA sequencing

Last Answer : .A possible gene predicted by DNA sequencing

Description : What was the first bacterial genome to be sequenced and made public? A- Bacillus subtilis B- Escherichia coli C- Haemophilus influenza D- No bacterial genome has been sequenced yet

Last Answer : Haemophilus influenza

Description : Which of the following defines an open reading frame (ORF)? A- .A sequence of genome in bacteriophage B- The sequence of a complete genome C- A plasmid vector used in genome sequencing D- .A possible gene predicted by DNA sequencing

Last Answer : .A possible gene predicted by DNA sequencing

Description : What was the first bacterial genome to be sequenced and made public? A- Bacillus subtilis B- Escherichia coli C- Haemophilus influenza D- No bacterial genome has been sequenced yet

Last Answer : Haemophilus influenza

Description : Which phage always carries a small piece of E.coli genome? A- Lambda B- .Mu C- T4 D- T3

Last Answer : .Mu

Description : n lysogeny, A- a bacteriophage transfers bacterial DNA B- bacteria take up double stranded DNA from the environment C- DNA-degrading enzymes in the extracellular medium would stop the process D- a bacteriophage genome is integrated into the bacterial genome

Last Answer : a bacteriophage genome is integrated into the bacterial genome

Description : What information can be generated by interrupted mating experiments? A- Levels of DNA homology B- Bacterial genome maps C- DNA nucleotide sequences D- Proteomics of the bacteria

Last Answer : Bacterial genome maps

Description : Which of the following is used for determining the location of specific genes within the genome? A-Genomics B- Annotation C-Cloning D-Proteomics

Last Answer : Annotation

Description : In the time since E. coli and Salmonella diverged evolutionarily A- there has been little change in either genome B- E. coli has acquired many genes via horizontal transfer C- E, coli has lost approximately 50% of its genome D- none of these

Last Answer : E, coli has lost approximately 50% of its genome

Description : A ________is a mixture of________ that form as a complex community. a. genome;genes b. biofilm; microbes c. biofilm; chemicals d. miasma; microbes

Last Answer : b. biofilm; microbes

Description : Medications that can be used early in influenza are ____ and ____ because they inhibit the release of new virions. a. aspirin, decongestants b. Relenza, Tamiflu c. Penicillin, ampicillin d. AZT, ribivirin

Last Answer : b. Relenza, Tamiflu

Description : What disease is described by: "the toxin acts at the neuromuscular junction, preventing the release of neurotransmitters needed to inhibit muscle contraction." a. Botulism b. Tetanus c. The Plague d. A-C Are Correct

Last Answer : b. Tetanus

Description : Transposons are of particular significance because they a. often contain genes for antibiotic resistance. b. inhibit the effects of overlapping genes. c. come in pairs and often are associated with viruses. d. regulate gene transcription in bacterial cells.

Last Answer : a. often contain genes for antibiotic resistance.

Description : The mode of action of polymyxin is to A- inhibit protein synthesis B- inhibit DNA synthesis C- injury to the plasma membrane D- inhibit folic acid synthesis

Last Answer : injury to the plasma membrane

Description : What is a medium that contains ingredients that inhibit the growth of some organisms while allowing the growth of others? a. Differential b. General purpose c. Enriched d. Selective e. All the above

Last Answer : d. Selective

Description : Tetracyclines interfere with a. Translation. b. Transcription. c. Dna Replication. d. Membrane Function.

Last Answer : a. Translation.

Description : The sulfonamides interfere with bacterial metabolism by a. blocking cell wall synthesis. b. disrupting folic acid metabolism. c. reacting with bacterial cell membranes. d. inhibiting DNA replication.

Last Answer : b. disrupting folic acid metabolism.

Description : New approaches to antibiotic therapy include a. Carbohydrate targets in the wall LPS. b. unregulating DNA replication. c. Discovering new and unique antibiotics. d. All of the above (A—C) are correct.

Last Answer : d. All of the above (A—C) are correct.

Description : In the semiconservative method of replication a. Both parent strands are degraded. b. One parent strand is conserved in each of the the new dna. c. Both parent strands reform with one another. d. Okazaki fragments form both of the new molecules of DNA.

Last Answer : b. One parent strand is conserved in each of the the new dna.

Description : Which one of the following statements is true? a. Plasmids are circular molecules of RNA. b. RNA replicates by a conservative method of replication. c. Deletions or insertions of a ... reading frameshift during translation. d. Okazaki fragments are removed from a RNA before translation occurs.

Last Answer : c. Deletions or insertions of a nucleotide in a gene will cause a reading frameshift during translation.

Description : The Ames test is an effective procedure for a. Identifying disease-causing bacterial species. b. Detecting potential human carcinogens. c. Determining if DNA replication has occurred. d. Detecting antibiotic resistance.

Last Answer : b. Detecting potential human carcinogens.

Description : Why is DNA replication considered semiconservative? a. none of the materials are wasted b. it is a very efficient process c. half of the new DNA molecule is half of the original molecule d. none of the above are correct

Last Answer : c. half of the new DNA molecule is half of the original molecule

Description : Excision repair would correct DNA damage caused by a. Antibiotics. b. UV Light. c. A Chemical Mutagen. d. A Dna Replication Error.

Last Answer : b. UV Light.

Description : Spontaneous mutations could arise from a. DNA replication errors. b. Atmospheric Radiation. c. Addition Of Insertion Sequences. d. All the above (A—C) are correct.

Last Answer : d. All the above (A—C) are correct.

Description : If an antibiotic binds to a 50S subunit, what cellular process will be inhibited? a. DNA replication b. Intron excision c. Translation d. Transcription

Last Answer : c. Translation