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

Penicillin resistance in staphylococci is acquired due to
 A.conjugation
 B.mutation
 C.transformation
 D.transduction
by

1 Answer

Answer :

D.transduction
by

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

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Description : Of the following which is the most important mechanism of concurrent acquisition of multidrug resistance among bacteria ? (a) Mutation (b) Conjugation (c) Transduction (d) Transformation

Last Answer : Ans: B

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Which of the following is NOT a type of horizontal gene transfer between bacterial cells? a. transformation b. conjugation c. transduction d. translation

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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

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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.

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

Methicillin resistant staphylococci do not respond to ß-lactam antibiotics because (a) They produce a ß-lactamase which destroys methicillin and related drugs (b) They elaborate an amidase which destroys methicillin and related drugs (c) They have acquired a penicillin binding protein which has low affinity for ß-lactam antibiotics (d) They are less permeable to ß-lactam antibiotics

Description : Methicillin resistant staphylococci do not respond to ß-lactam antibiotics because (a) They produce a ß-lactamase which destroys methicillin and related drugs (b) They elaborate an amidase which destroys ... low affinity for ß-lactam antibiotics (d) They are less permeable to ß-lactam antibiotics

Last Answer : Ans: C

Methicillin resistant staphylococci do not respond to β-lactam antibiotics because: A. They produce a β-lactamase which destroys methicillin and related drugs B. They elaborate an amidase which destroys methicillin and related drugs C. They have acquired penicillin binding protein which has low affinity for β-lactam antibiotics D. They are less permeable to β-lactam antibiotics

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Last Answer : C. They have acquired penicillin binding protein which has low affinity for β-lactam antibioti

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Last Answer : A.conjugation

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

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Last Answer : ANSWER: D -- TRANSLATION

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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

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.

Description : 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 ... its DNA directly from mother cell. (d) Bacteria obtained DNA from other external source.

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

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.

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

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Last Answer : a. Virulent Phage

What is transduction/transformation? -Biology

Description : What is transduction/transformation? -Biology

Last Answer : answer:

Hershey and Chase experiment proving DNA as the genetic material was based on the principle a) Transduction b) transformation c) transcription d) translation

Description : Hershey and Chase experiment proving DNA as the genetic material was based on the principle a) Transduction b) transformation c) transcription d) translation

Last Answer : a) Transduction

Select the correct Match : (1) Ribozyme - Nucleic acid (2) F2 x Recessive parent - Dihybrid cross (3) TH. Morgan - Transduction (4) G. Mendel - Transformation

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Widespread and prolonged used of an antibiotic leads to emergence of drug resistant strains because antibiotics (a) Induce mutation in the bacteria (b) Promote conjugation among bacteria (c) Allow resistant strains to propagate preferentially (d) All of the above

Description : Widespread and prolonged used of an antibiotic leads to emergence of drug resistant strains because antibiotics (a) Induce mutation in the bacteria (b) Promote conjugation among bacteria (c) Allow resistant strains to propagate preferentially (d) All of the above

Last Answer : Ans: C

Widespread and prolonged use of an antibiotic leads to emergence of drug resistant strains because antibiotics: A. Induce mutation in the bacteria B. Promote conjugation among bacteria C. Allow resistant strains to propagate preferentially D. All of the above

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Last Answer : C. Allow resistant strains to propagate preferentially

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

Competence refers to a bacterial cell's ability to a. Take Up DNA Fragments From The Environment. b. Be Infected By A Transducing Phage. c. Produce A Protein Product From An Engineered Gene. d. Undergo Conjugation With An F+ Cell.

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Last Answer : a. Take Up DNA Fragments 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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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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An F-cell is unable to initiate conjugation because it lacks a. Double-Stranded DNA. b. A Prophase. c. An F Factor. d. DNA polymerase

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Last Answer : c. An F Factor.

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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____ is examples of drugs that are derived from the metabolism of microorganisms. a. Salvarsan b. Prontosil c. Penicillin d. A-C are correct

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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

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Last Answer : c. amantadine and acyclovir

An "International Unit" of penicillin activity established in 1944 is amount of penicillin equivalent to A.0.6 micrograms of crystalline penicillin G of about 98% purity B.0.6 micrograms of crystalline penicillin F of about 98% purity C.0.8 micrograms of crystalline penicillin G of about 98% purity D.0.8 micrograms of crystalline penicillin G of about 90% purity

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Last Answer : A.0.6 micrograms of crystalline penicillin G of about 98% purity

Which of the following may be most likely to be missing from a gram-positive bacterium? A.Penicillin binding protein B.Peptidoglycan C.Lipopolysaccharide D.Phospholipid bilayer membrane

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Last Answer : C.Lipopolysaccharide

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Last Answer : attaching two amino acids to form a cross-link

Which of the following bacteria lack a cell wall and are therefore resistant to penicillin? A- Cyanobacteria B- Mycoplasmas C- .Bdellovibrios D- .Spirochetes

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Last Answer : Mycoplasmas