F factor plasmids play a major role in A.conjugation B.replication C.transduction D.trasnscription

F factor plasmids play a major role in
A.conjugation
B.replication
C.transduction
D.trasnscription
by

1 Answer

Answer :

A.conjugation
by

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F factor plasmids play a major role in A.conjugation B.replication C.transduction D.trasnscription

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Last Answer : conjugation

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Last Answer : d. translation

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Description : Which one of the following is NOT an example of genetic recombination? a. Conjugation b. Binary fission c. Transduction d. Transformation

Last Answer : c. Transduction

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

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Description : Penicillin resistance in staphylococci is acquired due to A- conjugation B- mutation C- transformation D- transduction

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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 nucleotide in a gene will cause a reading frameshift during translation. d. Okazaki fragments are removed from a RNA before translation occurs.

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.

An Hfr cell a. Has A Free F Factor In The Cytoplasm. b. Has A Chromosomally Integrated F Factor. c. Contains A Prophage For Conjugation. d. Cannot Conjugate With A F- Recombinant.

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Last Answer : a. Take Up DNA Fragments From The Environment.

Which of the following statement(s) is/are true in regards to F+ x F- mating events? A- DNA is transferred from F- to F+ cells B- DNA is transferred from F+ to F- cells C- No DNA is transferred because F- cells are unable to perform conjugation D- No DNA is transferred because F+ cells are unable to perform conjugation

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Last Answer : DNA is transferred from F+ to F- cells

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Last Answer : Pili are filaments that help bacteria stick to the surface andexchange plasmid through conjugation.

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Last Answer : Ans: B

Transfer of genetic information from one bacterium to another in the transduction process is through (a) bacteriophages released from the donor bacterial strain (b) another bacterium having special organ for conjugation (c) physical contact between donor and recipient strains (d) conjugation between opposite strain bacterium.

Description : Transfer of genetic information from one bacterium to another in the transduction process is through (a) bacteriophages released from the donor bacterial strain (b) another bacterium ... physical contact between donor and recipient strains (d) conjugation between opposite strain bacterium.

Last Answer : (a) bacteriophages released from the donor bacterial strain

Which statement is correct for bacterial transduction? (a) Transfer of some genes from one bacteria to another bacteria through virus. (b) Transfer of genes from one bacteria to another bacteria by conjugation. (c) Bacteria obtained its DNA directly from mother cell. (d) Bacteria obtained DNA from other external source.

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Last Answer : (a) Transfer of some genes from one bacteria to another bacteria through virus.

Transfer of genetic information from one bacterium to another in the transduction process is through (a) bacteriophages released from the donor bacterial strain (b) another bacterium having special organ for conjugation (c) physical contact between donor and recipient strains (d) conjugation between opposite strain bacterium.

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Last Answer : (a) bacteriophages released from the donor bacterial strain

Which statement is correct for bacterial transduction? (a) Transfer of some genes from one bacteria to another bacteria through virus. (b) Transfer of genes from one bacteria to another bacteria by conjugation. (c) Bacteria obtained its DNA directly from mother cell. (d) Bacteria obtained DNA from other external source.

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The most important mechanism of concurrent acquisition of multidrug resistance among bacteria is: A. Mutation B. Conjugation C. Transduction D. Transformation

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Last Answer : B. Conjugation

Which of the following is NOT a mode of genetic exchange within a bacterial population? a) conjugation b) transduction c) transformation d) translation

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Last Answer : ANSWER: D -- TRANSLATION

Which of the following is not a feature of the plasmids? (a) Transferable (b) Single-stranded (c) Independent replication (d) Circular structure

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Last Answer : (b) Single-stranded

Without restriction endonucleases, it would be very difficult to a. Force Plasmids into Bacteria. b. Chemically Open Dna Molecules. c. Replicate Dna In A Recombinant Cell. d. Bring About Mutations In Bacteria.

Description : Without restriction endonucleases, it would be very difficult to a. Force Plasmids into Bacteria. b. Chemically Open Dna Molecules. c. Replicate Dna In A Recombinant Cell. d. Bring About Mutations In Bacteria.

Last Answer : b. Chemically Open Dna Molecules.

During the process of lysogeny _____. a. Phage DNA Integrates Into The Bacterial Chromosome.b. A Bacterium Acquires DNA From The External Environment. c. Competent Cells Receive Plasmids. d. New Phage Particles Are Assembled In The Host Bacterium.

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Last Answer : a. Phage DNA Integrates Into The Bacterial Chromosome.

are single-stranded DNA molecules that can recognize and bind to a distinctive nucLeotide sequence of a pathogen. a. Prophages b. Plasmids c. Cloning vectors d. DNA probes

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Transposable genetic elements (transposons) a. Were First Discovered By Watson And Crick. b. Are Smaller Than Insertion Sequences. c. Are Examples Of Plasmids. d. May Have Information For Antibiotic Resistance.

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Last Answer : d. May Have Information For Antibiotic Resistance.

Plasmids are a. Another Name for Transposons. b. Accessory Genetic Information. c. Domains within A Chromosome. d. Daughter Chromosomes.

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Last Answer : b. Accessory Genetic Information.

The plasmids can be eliminated from a cell by the process known as A- curing B- breaking C- fixing D- expulsion

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Last Answer : curing

Which of the following statement describes plasmids? A- Another name for a protoplast B- A complex membrane structure that covers the chromosome of bacteria Small, circular DNA molecules that can exist independently of chromosomes commonly C- found in bacteria D- None of the above

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Last Answer : found in bacteria

Which of the following plamids do not possess information for self transfer to another cell? A- Cryptic plasmids B- Conjugative plasmids C- Non-conjugative plasmids D- None of these

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Last Answer : Non-conjugative plasmids

The term used for plasmids possessing both RTF and r determinants is A- non self-transmissible plasmids B- non conjugative plasmids C- conjugative plasmids D- none of the above

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Last Answer : conjugative plasmids

Plasmids a. Replicate with the bacterial chromosome. b. Contain essential growth information. c. May contain antibiotic resistance genes. d. Are as large as the bacterial chromosome.

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Last Answer : c. May contain antibiotic resistance genes.

Specialized transduction is carried out by a. Virulent Phages That Have A Lytic Cycle Of Infection. b. Temperate Phages Carrying A Entire Bacterial Chromosome. c. Temperate Phages That Carry A Segment Of Host Dna. d. Virulent Phages That Swap Dna Segments.

Description : Specialized transduction is carried out by a. Virulent Phages That Have A Lytic Cycle Of Infection. b. Temperate Phages Carrying A Entire Bacterial Chromosome. c. Temperate Phages That Carry A Segment Of Host Dna. d. Virulent Phages That Swap Dna Segments.

Last Answer : c. Temperate Phages That Carry A Segment Of Host Dna.

A is NOT associated with specialized transduction. a. Virulent Phage b. Lysogenic Cycle c. Prophage d. Recipient Cell

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Recombination of virus genomes occurs A- by transduction B- by transcription C- simultaneous infection of a host cell by two viruses with homologous chromosomes D- by transformation

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Last Answer : simultaneous infection of a host cell by two viruses with homologous chromosomes

In the extracellular medium, DNA-degrading enzymes would likely be to prevent transfer of DNA by A- conjugal transfer by a self-transmissible plasmid B- generalized phage transduction C- natural transformation D- none of the above

Description : In the extracellular medium, DNA-degrading enzymes would likely be to prevent transfer of DNA by A- conjugal transfer by a self-transmissible plasmid B- generalized phage transduction C- natural transformation D- none of the above

Last Answer : natural transformation

Which of the following transport bacterial DNA to other bacteria via bacteriophages? A- ConjugationB- Transduction C- Transformation D- Translation

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Last Answer : Transduction

Conjugation pili are found only on some ______ bacteria, though it may occur between cells of various bacteria. a. Gram-positive b. Gram-negative c. Acid-fast d. Capsule containing

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Last Answer : b. Gram-negative

A bacterial cell that is transformed _____. a. Cannot Form A Conjugation Pilus. b. Has Undergone A Frameshift Mutation. c. Has Acquired Dna From The Environment. d. Will Probably Die Within 24 Hours.

Description : A bacterial cell that is transformed _____. a. Cannot Form A Conjugation Pilus. b. Has Undergone A Frameshift Mutation. c. Has Acquired Dna From The Environment. d. Will Probably Die Within 24 Hours.

Last Answer : c. Has Acquired Dna From The Environment.

The process of conjugation in bacteria requires that _____. a. Two Types Of Viruses Be Present. b. The Conjugating Bacteria Be Deprived Of Nutrients. c. Two Bacteria Exchange Dna. d. Two Live Bacteria Come Together.

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Last Answer : d. Two Live Bacteria Come Together.

How can bacteria exchange pieces of DNA? a. mitosis b. budding c. meiosis d. conjugation

Description : How can bacteria exchange pieces of DNA? a. mitosis b. budding c. meiosis d. conjugation

Last Answer : d. conjugation

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

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

Last Answer : a. Translation.

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.

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.

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.

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.

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

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

Last Answer : b. Genome Replication.

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.

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.

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.

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.

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

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

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

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.