The plasmid-mediated properties is/are A.fermentation of lactose B.production of enterotoxinC.resistance to antibiotics D.all of these

The plasmid-mediated properties is/are

A.fermentation of lactose 

B.production of enterotoxin

C.resistance to antibiotics 

D.all of these
by

1 Answer

Answer :

D.all of these
by

Related questions

The plasmid-mediated properties is/are A- fermentation of lactose B- production of enterotoxin C- resistance to antibiotics D- all of these

Description : The plasmid-mediated properties is/are A- fermentation of lactose B- production of enterotoxin C- resistance to antibiotics D- all of these

Last Answer : all of these

Multiple antibiotic resistance is mediated by a. Episome b. Plasmid c. Colplasmid d. Both b and c

Description : Multiple antibiotic resistance is mediated by a. Episome b. Plasmid c. Colplasmid d. Both b and c

Last Answer : Ans: B

The most important mechanism of bacterial resistance to an aminoglycoside antibiotic is (a) Plasmid mediated acquisition of aminoglycoside conjugating enzyme (b) Mutational acquisition of aminoglycoside hydrolyzing enzyme (c) Mutation reducing affinity of ribosomal protein for the antibiotic (d) Mutational loss of porin channels

Description : The most important mechanism of bacterial resistance to an aminoglycoside antibiotic is (a) Plasmid mediated acquisition of aminoglycoside conjugating enzyme (b) Mutational acquisition of aminoglycoside ... affinity of ribosomal protein for the antibiotic (d) Mutational loss of porin channels

Last Answer : Ans: A

A plasmid carries _____. a. Nonessential Genes b. Resistance Factors c. Genes For Toxinsd. all the above

Description : A plasmid carries _____. a. Nonessential Genes b. Resistance Factors c. Genes For Toxins d. all the above

Last Answer : d. all the above

The main difference between a self-transmissible and a mobilizableplasmidis that the selftransmissible plasmid A- transfers both strands of the plasmid DNA B- carries genes encoding the mating apparatus C- transfers antibiotic resistance genes D- usually has a transposon inserted into it

Description : The main difference between a self-transmissible and a mobilizableplasmidis that the selftransmissible plasmid A- transfers both strands of the plasmid DNA B- carries genes encoding the mating apparatus C- transfers antibiotic resistance genes D- usually has a transposon inserted into it

Last Answer : carries genes encoding the mating apparatus

In fermentation, the conversion of pyruvate into a final end product is critical for the production of a. CO2. b. glucosec. NAD. d. 02.

Description : In fermentation, the conversion of pyruvate into a final end product is critical for the production of a. CO2. b. glucose c. NAD. d. 02.

Last Answer : a. CO2.

Phosphate regulation has been observed in the production of A.alkaloids B.antibiotics C.gibberelins D.all of these

Description : Phosphate regulation has been observed in the production of A.alkaloids B.antibiotics C.gibberelins D.all of these

Last Answer : D.all of these

Transduction in bacteria is mediated by (a) plasmid vectors (b) phage vectors (c) cosmids (d) F-factors.

Description : Transduction in bacteria is mediated by (a) plasmid vectors (b) phage vectors (c) cosmids (d) F-factors.

Last Answer : (b) phage vectors

The most important mechanism of bacterial resistance to an aminoglycoside antibiotic is: A. Plasmid mediated acquisition of aminoglycoside conjugating enzyme B. Mutational acquisition of aminoglycoside hydrolysing enzyme C. Mutation reducing affinity of ribosomal protein for the antibiotic D. Mutational loss of porin channels

Description : The most important mechanism of bacterial resistance to an aminoglycoside antibiotic is: A. Plasmid mediated acquisition of aminoglycoside conjugating enzyme B. Mutational acquisition of aminoglycoside ... affinity of ribosomal protein for the antibiotic D. Mutational loss of porin channels

Last Answer : A. Plasmid mediated acquisition of aminoglycoside conjugating enzyme

Some contemporary products already obtained by plasmid technology include a. interferon b. insulin c. human growth hormone d. A-C above are correct

Description : Some contemporary products already obtained by plasmid technology include a. interferon b. insulin c. human growth hormone d. A-C above are correct

Last Answer : d. A-C above are correct

The translation of a mRNA by multiple ribosomes is called formation. a. Okazaki b. Polysome c. Plasmid d. Transposon

Description : The translation of a mRNA by multiple ribosomes is called formation. a. Okazaki b. Polysome c. Plasmid d. Transposon

Last Answer : b. Polysome

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

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

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

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

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

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

What is the term used for a segment of DNA with one or more genes in the centre and the twoends carrying inverte d repeat sequences of nucleotides? A- Plasmid B- Transposon C- Insertion sequence D- None of these

Description : What is the term used for a segment of DNA with one or more genes in the centre and the twoends carrying inverte d repeat sequences of nucleotides? A- Plasmid B- Transposon C- Insertion sequence D- None of these

Last Answer : Transposon

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

When composite transposons are formed A- a small deletion occurs in the transposase gene of an IS element B- a small deletion occurs in the transposase gene of an IS element and plasmid is integrated C- an IS element integrates with another IS element with the help of a plasmid D- two IS elements integrate into a chromosome with only a small distance separating them

Description : When composite transposons are formed A- a small deletion occurs in the transposase gene of an IS element B- a small deletion occurs in the transposase gene of an IS element and plasmid is ... a plasmid D- two IS elements integrate into a chromosome with only a small distance separating them

Last Answer : two IS elements integrate into a chromosome with only a small distance separating them

Which type of plasmid can exist with or without being integrated into the host's chromosome? A- Medisome B- Lisosome C- LysogenD- Episome

Description : Which type of plasmid can exist with or without being integrated into the host's chromosome? A- Medisome B- Lisosome C- Lysogen D- Episome

Last Answer : D- Episome

What type of immune cell may control IgE-mediated hypersensitivities? a. Suppressor T cells b. Plasma cells c. Cytotoxic T cells d. Neutrophils

Description : What type of immune cell may control IgE-mediated hypersensitivities? a. Suppressor T cells b. Plasma cells c. Cytotoxic T cells d. Neutrophils

Last Answer : a. Suppressor T cells

Acquired immunity consists of humoral immunity maintained by _____ and _____, and cell-mediated immunity controlled by _____ a. T cells, complement, B cells b. T cells, Interleukin, B cells c. B cells, antibodies, T cells d. B cells, histamine, T cells

Description : Acquired immunity consists of humoral immunity maintained by _____ and _____, and cell-mediated immunity controlled by _____ a. T cells, complement, B cells b. T cells, Interleukin, B cells c. B cells, antibodies, T cells d. B cells, histamine, T cells

Last Answer : c. B cells, antibodies, T cells

____ becomes activated to eliminate "nonself" cells, such as virus- infected cells or cancer cells. a. Humoral immune response b. Cell-mediated immune response c. Complement d. Inflammation

Description : ____ becomes activated to eliminate "nonself" cells, such as virus- infected cells or cancer cells. a. Humoral immune response b. Cell-mediated immune response c. Complement d. Inflammation

Last Answer : b. Cell-mediated immune response

_____ responds to, distinguishes between and remembers specific pathogens it has encountered. a. Acquired immunity b. Innate immunity c. Humoral immunity d. Cell-mediated immunity

Description : _____ responds to, distinguishes between and remembers specific pathogens it has encountered. a. Acquired immunity b. Innate immunity c. Humoral immunity d. Cell-mediated immunity

Last Answer : a. Acquired immunity

._________ cells are associated with immunity while_____________ cells are part of___________ immunity. a. B; cell-mediated; T; innate b. T; humoral; B; cellular c. T; cell-mediated; B; humoral d. T; humoral; B; nonspecific

Description : ._________ cells are associated with immunity while_____________ cells are part of___________ immunity. a. B; cell-mediated; T; innate b. T; humoral; B; cellular c. T; cell-mediated; B; humoral d. T; humoral; B; nonspecific

Last Answer : c. T; cell-mediated; B; humoral

In which of the following cell mediated immunity (CMI) participates? A.Delayed hypersensitivity reaction B.Graft versus host reaction C.Allograft rejection D.All of the above

Description : In which of the following cell mediated immunity (CMI) participates? A.Delayed hypersensitivity reaction B.Graft versus host reaction C.Allograft rejection D.All of the above

Last Answer : D.All of the above

In which of the following cell mediated immunity (CMI) participates? A.Delayed hypersensitivity reaction B.Graft versus host reaction C.Allograft rejection D.All of the above

Description : In which of the following cell mediated immunity (CMI) participates? A.Delayed hypersensitivity reaction B.Graft versus host reaction C.Allograft rejection D.All of the above

Last Answer : .All of the above

The most important mechanism by which tetracycline antibiotics exert antiimicrobial action is (a) They chelate Ca2+ ions and alter permeability of bacterial cell membrane (b) They bind to 30S ribosomes and inhibit bacterial protein synthesis (c) They bind to 50S ribosomes and interfere with translocation of the growing peptide chain in the bacteria (d) They interfere with DNA mediated RNA synthesis in bacteria

Description : The most important mechanism by which tetracycline antibiotics exert antiimicrobial action is (a) They chelate Ca2+ ions and alter permeability of bacterial cell membrane (b) They bind to 30S ribosomes ... peptide chain in the bacteria (d) They interfere with DNA mediated RNA synthesis in bacteria

Last Answer : Ans: B

The main reason why antibodies could not solve all the problems of bacteria mediated disease is (a) decreased efficiency of the immune system (b) insensitivity of the individual following prolonged exposure to antibiotics (c) development of mutant strains resistant to antibodies (d) inactivation of antibiotics by bacterial enzymes.

Description : The main reason why antibodies could not solve all the problems of bacteria mediated disease is (a) decreased efficiency of the immune system (b) insensitivity of the individual ... development of mutant strains resistant to antibodies (d) inactivation of antibiotics by bacterial enzymes.

Last Answer : (c) development of mutant strains resistant to antibodies

Aminoglycoside antibiotics exert the following action(s) on sensitive bacteria: A. Induce synthesis of defective proteins B. Make bacterial cell membrane more leaky C. Augment their own carrier mediated entry into the bacteria D. All of the above

Description : Aminoglycoside antibiotics exert the following action(s) on sensitive bacteria: A. Induce synthesis of defective proteins B. Make bacterial cell membrane more leaky C. Augment their own carrier mediated entry into the bacteria D. All of the above

Last Answer : D. All of the above

The most important mechanism by which tetracycline antibiotics exert antimicrobial action is: A. They chelate Ca2+ ions and alter permeability of bacterial cell membrane B. They bind to 30S ribosomes and inhibit bacterial protein synthesis C. They bind to 50S ribosomes and interfere with translocation of the growing peptide chain in the bacteria D. They interfere with DNA mediated RNA synthesis in bacteria

Description : The most important mechanism by which tetracycline antibiotics exert antimicrobial action is: A. They chelate Ca2+ ions and alter permeability of bacterial cell membrane B. They bind to 30S ribosomes ... peptide chain in the bacteria D. They interfere with DNA mediated RNA synthesis in bacteria

Last Answer : B. They bind to 30S ribosomes and inhibit bacterial protein synthesis

Why does milk curdle? (a) Due to fermentation of lactose (b) Due to reaction of microbes (c) Due to overheating (d) Due to fungus growth

Description : Why does milk curdle? (a) Due to fermentation of lactose (b) Due to reaction of microbes (c) Due to overheating (d) Due to fungus growth

Last Answer : Ans:(a)

A key energy compound in bacterial photosynthesis by cyanobacteria is ______ and a major end-product is ______. a. GTP; protein b. citrate; lactose c. glucose; chlorophyll d. ATP; glucose

Description : A key energy compound in bacterial photosynthesis by cyanobacteria is ______ and a major end-product is ______. a. GTP; protein b. citrate; lactose c. glucose; chlorophyll d. ATP; glucose

Last Answer : c. glucose; chlorophyll

Where is the most ATP produced in cellular respiration? a. Fermentation b. Electron Transport Chain c. Glycolysis d. Citric Acid Cycle

Description : Where is the most ATP produced in cellular respiration? a. Fermentation b. Electron Transport Chain c. Glycolysis d. Citric Acid Cycle

Last Answer : b. Electron Transport Chain

If cells can use oxygen in cellular respiration it is called _____. a. Anaerobic Respiration b. Alcoholic Fermentation c. Acid Fermentation d. Aerobic Respiration

Description : If cells can use oxygen in cellular respiration it is called _____. a. Anaerobic Respiration b. Alcoholic Fermentation c. Acid Fermentation d. Aerobic Respiration

Last Answer : c. Acid Fermentation

Glucose is to photosynthesis as pyruvate is to _____. a. Oxidative Phosphorylation b. Glycolysis c. Fermentation d. Citric Acid Cycle

Description : Glucose is to photosynthesis as pyruvate is to _____. a. Oxidative Phosphorylation b. Glycolysis c. Fermentation d. Citric Acid Cycle

Last Answer : a. Oxidative Phosphorylation

In fermentation reactions occurring in yeast, two products of metabolism are ______ and ______. a. Acid; Hydrogen Gas b. Hydrogen Gas; Sucrose c. Ethyl Alcohol; Methane d. Carbon Dioxide; Ethyl Alcohol

Description : In fermentation reactions occurring in yeast, two products of metabolism are ______ and ______. a. Acid; Hydrogen Gas b. Hydrogen Gas; Sucrose c. Ethyl Alcohol; Methane d. Carbon Dioxide; Ethyl Alcohol

Last Answer : a. Acid; Hydrogen Gas

Which one of the following pairs is mismatched? a. Alcohol-fermentation b. Pyruvate-glycolysis c. Carbon dioxide-glycolysis d. NADH-citric acid cycle

Description : Which one of the following pairs is mismatched? a. Alcohol-fermentation b. Pyruvate-glycolysis c. Carbon dioxide-glycolysis d. NADH-citric acid cycle

Last Answer : c. Carbon dioxide-glycolysis

Yersinia enterocolitica and Y. pestis can be differentiated on the basis of which of the following tests? A.Decarboxylation of ornithine B.Fermentation of sucrose and cellobiose C.Motility at 22°C D.All of these

Description : Yersinia enterocolitica and Y. pestis can be differentiated on the basis of which of the following tests? A.Decarboxylation of ornithine B.Fermentation of sucrose and cellobiose C.Motility at 22°C D.All of these

Last Answer : D.All of these

When a virus enters a cell but does not replicate immediately, the situation is Called A.lysogeny B.fermentation C.symbiosis D.synergism

Description : When a virus enters a cell but does not replicate immediately, the situation is Called A.lysogeny B.fermentation C.symbiosis D.synergism

Last Answer : A.lysogeny

When a virus enters a cell but does not replicate immediately, the situation is Called A.lysogeny B.fermentation C.symbiosis D.synergism

Description : When a virus enters a cell but does not replicate immediately, the situation is Called A.lysogeny B.fermentation C.symbiosis D.synergism

Last Answer : A.lysogeny

The butyric acid type of fermentation in acid or medium acid foods, with swelling of the containerby the carbon dioxide and hydrogen gas is caused by A.C. butyricum B.C. pasteurianum C.both (a) and (b) D.C. sporogenes

Description : The butyric acid type of fermentation in acid or medium acid foods, with swelling of the containerby the carbon dioxide and hydrogen gas is caused by A.C. butyricum B.C. pasteurianum C.both (a) and (b) D.C. sporogenes

Last Answer : C.both (a) and (b)

The elimination of the scum of yeasts in the brine during the fermentation include A.agitation of the surface B.addition of the mustard oil C.addition of the sorbic acid D.all of these

Description : The elimination of the scum of yeasts in the brine during the fermentation include A.agitation of the surface B.addition of the mustard oil C.addition of the sorbic acid D.all of these

Last Answer : D.all of these

The acquisition energy by glucose fermentation requires A.substrate-level phosphorylation B.electron transport of electrons from NADH C.long-chain fatty acid oxidation D.the enzyme formic-hydrogen lyase

Description : The acquisition energy by glucose fermentation requires A.substrate-level phosphorylation B.electron transport of electrons from NADH C.long-chain fatty acid oxidation D.the enzyme formic-hydrogen lyase

Last Answer : A.substrate-level phosphorylation

The maximum concentration of ethanol that is achieved by successive distillation of fermentation broth in continuous stills is A- .60% B- 95% C- .70% D- 99%

Description : The maximum concentration of ethanol that is achieved by successive distillation of fermentation broth in continuous stills is A- .60% B- 95% C- .70% D- 99%

Last Answer : 95%

Yeasts may undergo A- alcoholic fermentation B- homolactic fermentation C- heterolactic fermentation D- all of these

Description : Yeasts may undergo A- alcoholic fermentation B- homolactic fermentation C- heterolactic fermentation D- all of these

Last Answer : all of these

The use of oxygen gas (02) in an exergonic pathway generating ATP is called a. Anaerobic Respiration. b. Photosynthesis. c. Aerobic Respiration. d. Fermentation.

Description : The use of oxygen gas (02) in an exergonic pathway generating ATP is called a. Anaerobic Respiration. b. Photosynthesis. c. Aerobic Respiration. d. Fermentation.

Last Answer : c. Aerobic Respiration.

The process of controlled heating, called__________ was used to keep **** from spoiling. a. curdling b. fermentation c. pasteurization d. variolation

Description : The process of controlled heating, called__________ was used to keep wine from spoiling. a. curdling b. fermentation c. pasteurization d. variolation

Last Answer : b. fermentation

What process was studied by Redi and Spaltanzani? a. Spontaneous generation b. Fermentation c. Variolation d. Antisepsis

Description : What process was studied by Redi and Spaltanzani? a. Spontaneous generation b. Fermentation c. Variolation d. Antisepsis

Last Answer : a. Spontaneous generation

Choose the wrong statement. (a) Morels and truffles are poisonous mushrooms. (b) Yeast is unicellular and useful in fermentation. (c) Penicillium is multicellular and produces antibiotics. (d) Neurospora is used in the study of biochemical genetics.

Description : Choose the wrong statement. (a) Morels and truffles are poisonous mushrooms. (b) Yeast is unicellular and useful in fermentation. (c) Penicillium is multicellular and produces antibiotics. (d) Neurospora is used in the study of biochemical genetics.

Last Answer : (a) Morels and truffles are poisonous mushrooms.

Antibiotics will not work against _____ diseases because they lack the structures and metabolic machinery with which antibiotics interfere. a. viral b. bacterial c. fungal d. protozoan

Description : Antibiotics will not work against _____ diseases because they lack the structures and metabolic machinery with which antibiotics interfere. a. viral b. bacterial c. fungal d. protozoan

Last Answer : a. viral

Which of the following antibiotics work by targetting protein synthesis? a. Methicillin b. Chloramphenicol c. Penicillin d. Nystatin.

Description : Which of the following antibiotics work by targetting protein synthesis? a. Methicillin b. Chloramphenicol c. Penicillin d. Nystatin.

Last Answer : b. Chloramphenicol