Description : Which of the following is NOT a mode of genetic exchange within a bacterial population? a) conjugation b) transduction c) transformation d) translation
Last Answer : ANSWER: D -- TRANSLATION
Description : Which of the following transport bacterial DNA to other bacteria via bacteriophages? A- Conjugation B- Transduction C- Transformation D- Translation
Last Answer : Transduction
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
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 : Penicillin resistance in staphylococci is acquired due to A.conjugation B.mutation C.transformation D.transduction
Last Answer : D.transduction
Description : 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
Last Answer : transformation
Description : Penicillin resistance in staphylococci is acquired due to A- conjugation B- mutation C- transformation D- transduction
Last Answer : transduction
Description : The term used for acquisition of naked DNA from its environment and its incorporation in their A- transformation B- lysogenic conversion C- conjugation D- transduction
Description : Which of the following is the cause for drug resistance in tuberculosis? A- Mutation B- Transduction C- Transformation D- Conjugation
Last Answer : Mutation
Description : 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.
Last Answer : a. Take Up DNA Fragments From The Environment.
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
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.
Last Answer : (a) Transfer of some genes from one bacteria to another bacteria through virus
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
Description : F factor plasmids play a major role in A.conjugation B.replication C.transduction D.trasnscription
Last Answer : A.conjugation
Last Answer : conjugation
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
Description : The most important mechanism of concurrent acquisition of multidrug resistance among bacteria is: A. Mutation B. Conjugation C. Transduction D. Transformation
Last Answer : B. Conjugation
Description : 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
Last Answer : simultaneous infection of a host cell by two viruses with homologous chromosomes
Description : The transfer of DNA from a donor cell to a recipient cells is called a. horizontal gene transfer b. vertical gene transfer c. lateral gene transfer d. medial gene transfer
Last Answer : a. horizontal gene transfer
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
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.
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.
Description : Craig Venter‘s sampling of ocean microorganisms is an example of a. Microarrays. b. Horizontal Gene Transfer. c. Microbial Forensics. d. Metagenomics.
Last Answer : d. Metagenomics.
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 promoter on an expression vector used to overproduce proteins in bacteria is A.a bacterial promoter B.expressed both in bacteria and mammalian cells C.not a regulated promoter D.the natural promoter of the gene being cloned
Last Answer : A.a bacterial promoter
Description : What is the process called of making a mRNA copy of DNA? a. translation. b. transcription. c. transposon d. transformation
Last Answer : b. transcription.
Description : Transformation refers to a. Using A Virus To Transfer DNA Fragments. b. DNA Fragments Transferred Between Live Donor And Recipient Cells. c. The Formation of an F- Recombinant Cell. d. The Transfer of Naked Fragments of DNA
Last Answer : b. DNA Fragments Transferred Between Live Donor And Recipient Cells.
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 final step of gene expression is protein synthesis, which is also known as A- replication B- translation C- transcription D- none of these
Last Answer : translation
Description : 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
Last Answer : b. Gram-negative
Description : 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 ... F- cells are unable to perform conjugation D- No DNA is transferred because F+ cells are unable to perform conjugation
Last Answer : DNA is transferred from F+ to F- cells
Description : A is NOT associated with specialized transduction. a. Virulent Phage b. Lysogenic Cycle c. Prophage d. Recipient Cell
Last Answer : a. Virulent Phage
Description : What is transduction/transformation? -Biology
Last Answer : answer:
Description : Select the correct Match : (1) Ribozyme - Nucleic acid (2) F2 x Recessive parent - Dihybrid cross (3) TH. Morgan - Transduction (4) G. Mendel - Transformation
Last Answer : (1) Ribozyme - Nucleic acid
Description : STAT proteins are (A) Thermostat proteins of brain (B) Glucostat proteins of hepatocyte cell membrane (C) Short term activators of translation (D) Signal transduction and activators of transcription
Last Answer : Answer : D
Description : Select the correct statement. (a) Franklin Stahl coined the term ‘‘linkage’’. (b) Punnett square was developed by a British scientist. (c) Spliceosomes take part in translation. (d) Transduction was discovered by S. Altman
Last Answer : (a) Franklin Stahl coined the term ‘‘linkage’’.
Description : Select the correct statement : (1) Franklin Stahl coined the term "linkage". (2) Punnett square was developed by a British scientist. (3) Spliceosomes take part in translation. (4) Transduction was discovered by S. Altman.
Last Answer : (2) Punnett square was developed by a British scientist.
Description : 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.
Last Answer : d. Two Live Bacteria Come Together.
Description : 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.
Last Answer : b. Has A Chromosomally Integrated F Factor.
Description : 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
Last Answer : c. An F Factor.
Description : How can bacteria exchange pieces of DNA? a. mitosis b. budding c. meiosis d. conjugation
Last Answer : d. conjugation
Description : The bacteria in a colony are unable to perform transduction. How would this hurt the bacterial colony's chance for survival?
Last Answer : The bacteria would generally be more similar
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
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 : Which one of the following is NOT true of exotoxins? a. They are proteins. b. They are part of cell wall structure. c. They are released from live bacterial cells. d. They trigger antibody production.
Last Answer : d. They trigger antibody production.
Description : A healthy person can be diagnosed as having a infection with the multiplication of bacterial cells in the blood. a. Primary; bacteremia b. Primary; vermeil c. Primary; septicemia d. Secondary; parasitemia
Last Answer : c. Primary; septicemia
Description : The skin is a. Dominated By Gram-Negative Bacterial Cells. b. Free Of Bacterial Cells. c. Without A Microbiota. d. Dominated By Gram-Positive Bacterial Cells.
Last Answer : d. Dominated By Gram-Positive Bacterial Cells.