31. The BamH I restriction site of the cloning vector pBR322 is situated on ... b) rop gene b) ampicillin resistant gene c) ori gene d) tetracycline resistant gene

31. The BamH I restriction site of the cloning vector pBR322 is situated on ...
b) rop gene b) ampicillin resistant gene c) ori gene d) tetracycline resistant gene
by

1 Answer

Answer :

d) tetracycline resistant gene
by

Related questions

11. The BamH I restriction site of the cloning vector pBR322 is situated on ... a) rop gene b) ampicillin resistant gene c) ori gene d) tetracycline resistant gene

Description : 11. The BamH I restriction site of the cloning vector pBR322 is situated on ... a) rop gene b) ampicillin resistant gene c) ori gene d) tetracycline resistant gene

Last Answer : d) tetracycline resistant gene

The given figure is the diagrammatic representation of the E. coli vector pBR322. Which one of the given options correctly identifies its certain component(s)? Bam H1 Sal 1 Pvu II rop ori Pst I Pvu I Eco R I Cla Hin d III tet ampR R (a) ori-original restriction enzyme (b) rop-reduced osmotic pressure (c) HindIII, EcoRI - selectable markers (d) ampR, tetR–antibiotic resistance genes

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Last Answer : (d) ampR, tetR–antibiotic resistance genes

The plasmid pBR322 has (A) Ampicillin resistance gene (B) Tetracycline resistance gene (C) Both (A) and (B) (D) None of these

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The sequence that controls the copy number of the linked DNA in the vector, is termed (a) selectable marker (b) Ori site (c) palindromic sequence (d) recognition site.

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Last Answer : answer:

The DNA molecule to which the gene of interest is integrated for cloning is called (a) template (b) carrier (c) transformer (d) vector.

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A selectable marker is used to (a) help in eliminating the non-transformants, so that the transformants can be regenerated (b) identify the gene for a desired trait in an alien organism (c) select a suitable vector for transformation in a specific crop (d) mark a gene on a chromosome for isolation using restriction enzyme.

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Last Answer : (a) help in eliminating the non-transformants, so that the transformants can be regenerated

Prolonged oral therapy with the following antibiotic can damage intestinal villi resulting in statorrhoea and loose motions (a) Ampicillin (b) Tetracycline (c) Neomycin (d) Nystatin

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Prolonged oral therapy with the following antibiotic can damage intestinal villi resulting in steatorrhoea and loose motions: A. Ampicillin B. Tetracycline C. Neomycin D. Nystatin

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A child presented with polyuria, weakness and fever. On the basis of investigations he was labelled to be suffering from Fancony syndrome. A history of taking some old left over antibiotic capsules was obtained. What could have been the antibiotic: A. Tetracycline B. Chloramphenicol C. Ampicillin D. Cephalexi

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Which of the following statement is correct? A- The size and sequence of introns can be deduced from the cDNA sequence B- Restriction endonuclease can cleave ss and dsDNA both C- Restriction fragment length polymorphism (RFLP) is usually formed in coding sequenceof a gene D- Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Description : Which of the following statement is correct? A- The size and sequence of introns can be deduced from the cDNA sequence B- Restriction endonuclease can cleave ss and dsDNA both C- Restriction ... sequenceof a gene D- Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Last Answer : Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Which of the following statement is correct? A- The size and sequence of introns can be deduced from the cDNA sequence B- .Restriction endonuclease can cleave ss and dsDNA both C- Restriction fragment length polymorphism (RFLP) is usually formed in coding sequence of a Gene D- Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Description : Which of the following statement is correct? A- The size and sequence of introns can be deduced from the cDNA sequence B- .Restriction endonuclease can cleave ss and dsDNA both C- Restriction ... of a Gene D- Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Last Answer : Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Which of the following statement is correct? A- The size and sequence of introns can be deduced from the cDNA sequence B- .Restriction endonuclease can cleave ss and dsDNA both C- Restriction fragment length polymorphism (RFLP) is usually formed in coding sequence of a Gene D- Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Description : Which of the following statement is correct? A- The size and sequence of introns can be deduced from the cDNA sequence B- .Restriction endonuclease can cleave ss and dsDNA both C- Restriction ... of a Gene D- Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Last Answer : Amino acid sequence of a protein can be deduced from corresponding cDNA nucleotide

Consider the following four measures (A-D) that could be taken to successfully grow chickpea in an area where bacterial blight disease is common. (A) Spray with Bordeaux mixture (B) Control of the insect vector of the disease pathogen (C) Use of only disease-free seeds (D) Use of varieties resistant to the disease Which two of the above measures can control the disease? (a) (C) and (D) (b) (A) and (D) (c) (B) and (C) (d) (A) and (B)

Description : Consider the following four measures (A-D) that could be taken to successfully grow chickpea in an area where bacterial blight disease is common. (A) Spray with Bordeaux mixture (B) Control of the insect vector of the disease pathogen (C) ... (D) (b) (A) and (D) (c) (B) and (C) (d) (A) and (B)

Last Answer : (b) (A) and (D)

What is the action of tetracycline in prokaryotes? A- It blocks translocation reaction on ribosomes B- It blocks peptidyltransferase reaction on ribosomes C- It blocks the binding of amino-acyl tRNA to the A site of ribosomes D- Not known with certainity

Description : What is the action of tetracycline in prokaryotes? A- It blocks translocation reaction on ribosomes B- It blocks peptidyltransferase reaction on ribosomes C- It blocks the binding of amino-acyl tRNA to the A site of ribosomes D- Not known with certainity

Last Answer : It blocks the binding of amino-acyl tRNA to the A site of ribosomes

What is the action of tetracycline in prokaryotes? A- It blocks translocation reaction on ribosomes B- It blocks peptidyltransferase reaction on ribosomes C- It blocks the binding of amino-acyl tRNA to the A site of ribosomes D- Not known with certainity

Description : What is the action of tetracycline in prokaryotes? A- It blocks translocation reaction on ribosomes B- It blocks peptidyltransferase reaction on ribosomes C- It blocks the binding of amino-acyl tRNA to the A site of ribosomes D- Not known with certainity

Last Answer : It blocks the binding of amino-acyl tRNA to the A site of ribosomes

Select the antibiotic which inhibits bacterial protein synthesis by interfering with translocation of elongating peptide chain from acceptor site back to the peptidyl site of the ribosome so that ribosome does not move along the mRNA and the peptide chain is prematurely terminated: A. Chloramphenicol B. Erythromycin C. Tetracycline D. Streptomycin

Description : Select the antibiotic which inhibits bacterial protein synthesis by interfering with translocation of elongating peptide chain from acceptor site back to the peptidyl site of the ribosome so that ... chain is prematurely terminated: A. Chloramphenicol B. Erythromycin C. Tetracycline D. Streptomycin

Last Answer : B. Erythromycin

Bacteria develop tetracycline resistance by the following mechanisms except: A. Losing tetracycline concentrating mechanisms B. Elaborating tetracycline inactivating enzyme C. Synthesizing a ‘protection protein’ which interferes with binding of tetracycline to the target site D. Actively pumping out tetracycline that has entered the cell

Description : Bacteria develop tetracycline resistance by the following mechanisms except: A. Losing tetracycline concentrating mechanisms B. Elaborating tetracycline inactivating enzyme C. Synthesizing a protection protein' ... the target site D. Actively pumping out tetracycline that has entered the cell

Last Answer : B. Elaborating tetracycline inactivating enzym

Asseriton: Insect resistant transgenic cotton has been produced by inserting Bt gene Reason The Bt gene is derived form a bacterium

Description : Asseriton: Insect resistant transgenic cotton has been produced by inserting Bt gene Reason The Bt gene is derived form a bacterium

Last Answer : Asseriton: Insect resistant transgenic cotton has been produced by inserting Bt gene Reason The Bt ... If both the assertion and reason are false

Cancer cells may become resistant to amethopterin by (A) Developing mechanisms to destroy amethopterin (B) Amplification of dihydrofolate reducatse gene (C) Mutation in the dihydrofolate reductase gene so that the enzyme is no longer inhibited by amethopterin (D) Developing alternate pathway of thymidylate synthesis

Description : Cancer cells may become resistant to amethopterin by (A) Developing mechanisms to destroy amethopterin (B) Amplification of dihydrofolate reducatse gene (C) Mutation in the dihydrofolate reductase ... is no longer inhibited by amethopterin (D) Developing alternate pathway of thymidylate synthesis

Last Answer : Answer : B

Amplification of dihydrofolate reductase gene in a cancer cell makes the cell (A) Susceptible to folic acid deficiency (B) Less malignant (C) Resistant to amethopterin therapy (D) Responsive to amethopterin therapy

Description : Amplification of dihydrofolate reductase gene in a cancer cell makes the cell (A) Susceptible to folic acid deficiency (B) Less malignant (C) Resistant to amethopterin therapy (D) Responsive to amethopterin therapy

Last Answer : Answer : C

Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein (a) binds with epithelial cells of midgut of the insect pest ultimately killing it (b) is coded by several genes including the gene cry (c) is activated by acid pH of the foregut of the insect pest (d) does not kill the carrier bacterium which is itself resistant to this toxin.

Description : Bacillus thuringiensis forms protein crystals which contain insecticidal protein. This protein (a) binds with epithelial cells of midgut of the insect pest ultimately killing it (b) is coded by several ... pest (d) does not kill the carrier bacterium which is itself resistant to this toxin.

Last Answer : (a) binds with epithelial cells of midgut of the insect pest ultimately killing it

Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to (a) insect pests (b) fungal diseases (c) plant nematodes (d) insect predators.

Description : Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to (a) insect pests (b) fungal diseases (c) plant nematodes (d) insect predators.

Last Answer : (a) insect pests

The first r- DNA was constructed by linking antibiotic resistant gene with

Description : 8. The first r- DNA was constructed by linking antibiotic resistant gene with the native plasmid of a) Escherihia coli b) Salmonella typhimurium c) Acetobacter aceti d) Bacillus thuringiensis

Last Answer : Salmonella typhimurium

Transgenic animals may be prepared by introducing a foreign gene into (A) Somatic cells of young animals (B) Testes and ovaries of animals (C) A viral vector and infecting the animals with the viral vector (D) Fertilised egg and implanting the egg into a foster mother

Description : Transgenic animals may be prepared by introducing a foreign gene into (A) Somatic cells of young animals (B) Testes and ovaries of animals (C) A viral vector and infecting the animals with the viral vector (D) Fertilised egg and implanting the egg into a foster mother

Last Answer : Answer : D

Plasmid has been used as vector because (a) it is circular DNA which have capacity to join to eukaryotic DNA (b) it can move between prokaryotic and eukaryotic cells (c) both ends show replication (d) it has antibiotic resistance gene.

Description : Plasmid has been used as vector because (a) it is circular DNA which have capacity to join to eukaryotic DNA (b) it can move between prokaryotic and eukaryotic cells (c) both ends show replication (d) it has antibiotic resistance gene.

Last Answer : (a) it is circular DNA which have capacity to join to eukaryotic DNA