What are the uses of plasmid? -Biology

Last Answer : A plasmid is a piece of circular DNA that extends beyond the chromosomes of a bacterial cell. The plasmid is the original instrument of genetic engineering by which new genetic ... bacterial chromosomes. Replicated plasmids are easily transmitted to other bacteria upon contact with other bacteria.

What is true of plasmid

Description : What is true of plasmid

Last Answer : What is true of plasmid A. Found in viruses B. Constains genes for vital activities C. Part of nuclear chromosome D. Widely used in gene transfer

Plasmid vector in DNA recombinant technology means

Description : Plasmid vector in DNA recombinant technology means

Last Answer : Plasmid vector in DNA recombinant technology means A. a virus that transfers gene to bacteria B. ... D. any fragment of DNA carrying desirable gene

A foreign DNA and plasmid cut by the same restriction endonculease can be joined to form a recombinant plasmid using

Description : A foreign DNA and plasmid cut by the same restriction endonculease can be joined to form a recombinant plasmid using

Last Answer : A foreign DNA and plasmid cut by the same restriction endonculease can be joined to form a recombinant ... B. Ligase C. Eco RI D. Taq polymerase

The function of plasmid

Description : The function of plasmid

Last Answer : The function of plasmid

How is the recombinant plasmid different from the bacterial chromosome?

Description : How is the recombinant plasmid different from the bacterial chromosome?

Last Answer : Need answer

What is a recombinant plasmid?

Description : What is a recombinant plasmid?

Last Answer : A plasmid is a small, circular, double-stranded DNA molecule that is distinct from a cell's chromosomal DNA. ... Researchers can insert DNA fragments or genes into a plasmid vector, creating ... plasmid. This plasmid can be introduced into a bacterium by way of the process called transformation.

A cosmid is a (A) Large bacterial plasmid (B) Viral plasmid (C) Hybrid of plasmid and phage (D) Yeast plasmid

Description : A cosmid is a (A) Large bacterial plasmid (B) Viral plasmid (C) Hybrid of plasmid and phage (D) Yeast plasmid

Last Answer : Answer : C

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

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

Last Answer : Answer : C

Which of the following may be used as a cloning vector? (A) Prokaryotic plasmid(B) Lambda phage (C) Cosmid (D) All of these

Description : Which of the following may be used as a cloning vector? (A) Prokaryotic plasmid(B) Lambda phage (C) Cosmid (D) All of these

Last Answer : Answer : D

A plasmid is a (A) Single stranded linear DNA (B) Single stranded circular DNA (C) Double stranded linear DNA (D) Double stranded circular DNA

Description : A plasmid is a (A) Single stranded linear DNA (B) Single stranded circular DNA (C) Double stranded linear DNA (D) Double stranded circular DNA

Last Answer : Answer : D

All of the following may be used as expression vectors except (A) Plasmid (B) Bacteriophage (C) Baculovirus (D) E. coli

Description : All of the following may be used as expression vectors except (A) Plasmid (B) Bacteriophage (C) Baculovirus (D) E. coli

Last Answer : Answer : D

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

The most important mechanism by which gram negative bacilli acquire chloramphenicol resistance is (a) Decreased permeability into the bacterial cell (b) Acquisition of a plasmid encoded for chloramphenicol acetyl transferase (c) Lowered affinity of the bacterial ribosome for chloramphenicol (d) Switching over from ribosomal to mitochondrial protein synthesis

Description : The most important mechanism by which gram negative bacilli acquire chloramphenicol resistance is (a) Decreased permeability into the bacterial cell (b) Acquisition of a plasmid encoded ... bacterial ribosome for chloramphenicol (d) Switching over from ribosomal to mitochondrial protein synthesis

Last Answer : Ans: B

Which one of the following vectors is used to replace the defective gene in gene therapy? (a) Adenovirus (b) Cosmid (c) Ri plasmid (d) Ti plasmid

Description : Which one of the following vectors is used to replace the defective gene in gene therapy? (a) Adenovirus (b) Cosmid (c) Ri plasmid (d) Ti plasmid

Last Answer : (a) Adenovirus

The process of replication in plasmid DNA, other than initiation, is controlled by (a) mitochondrial gene (b) plasmid gene (c) bacterial gene (d) none of these.

Description : The process of replication in plasmid DNA, other than initiation, is controlled by (a) mitochondrial gene (b) plasmid gene (c) bacterial gene (d) none of these.

Last Answer : c) bacterial gene

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

The Ti plasmid, is often used for making transgenic plants. The plasmid is found in (a) Azotobacter (b) Rhizobium of the roots of leguminous plants (c) Agrobacterium (d) Yeast as a 2 mm plasmid.

Description : The Ti plasmid, is often used for making transgenic plants. The plasmid is found in (a) Azotobacter (b) Rhizobium of the roots of leguminous plants (c) Agrobacterium (d) Yeast as a 2 mm plasmid.

Last Answer : (c) Agrobacterium

The linking of antibiotic resistance gene with the plasmid vector became possible with (a) DNA polymerase (b) exonucleases (c) DNA ligase (d) endonucleases.

Description : The linking of antibiotic resistance gene with the plasmid vector became possible with (a) DNA polymerase (b) exonucleases (c) DNA ligase (d) endonucleases.

Last Answer : (c) DNA ligase

In genetic engineering, a DNA segment (gene) of interest, is transferred to the host cell through a vector. Consider the following four agents (i-iv) in this regard and select the correct option about which one or more of these can be used as a vector/vectors. (i) Bacterium (ii) Plasmid (iii)Plasmodium (iv) Bacteriophage (a) (i), (ii) and (iv) (b) (i) only (c) (i) and (iii) (d) (ii) and (iv)

Description : In genetic engineering, a DNA segment (gene) of interest, is transferred to the host cell through a vector. Consider the following four agents (i-iv) in this regard and select the correct option about which one or more of these ... ii) and (iv) (b) (i) only (c) (i) and (iii) (d) (ii) and (iv)

Last Answer : (d) (ii) and (iv)

DNA or RNA segment tagged with a radioactive molecule is called (a) vector (b) probe (c) clone (d) plasmid.

Description : DNA or RNA segment tagged with a radioactive molecule is called (a) vector (b) probe (c) clone (d) plasmid.

Last Answer : (b) probe

A single strand of nucleic acid tagged with a radioactive molecule is called (a) vector (b) selectable marker (c) plasmid (d) probe

Description : A single strand of nucleic acid tagged with a radioactive molecule is called (a) vector (b) selectable marker (c) plasmid (d) probe

Last Answer : d) probe.

Which vector can clone only a small fragment of DNA? (a) Bacterial artificial chromosome (b) Yeast artificial chromosome (c) Plasmid (d) Cosmid

Description : Which vector can clone only a small fragment of DNA? (a) Bacterial artificial chromosome (b) Yeast artificial chromosome (c) Plasmid (d) Cosmid

Last Answer : (c) Plasmid

A foreign DNA and plasmid cut by the same restriction endonuclease can be joined to form a recombinant plasmid using (a) EcoRI (b) Taq polymerase (c) polymerase III (d) ligase.

Description : A foreign DNA and plasmid cut by the same restriction endonuclease can be joined to form a recombinant plasmid using (a) EcoRI (b) Taq polymerase (c) polymerase III (d) ligase.

Last Answer : (d) ligase.

A gene whose expression helps to identify transformed cell is known as (a) vector (b) plasmid (c) structural gene (d) selectable marker.

Description : A gene whose expression helps to identify transformed cell is known as (a) vector (b) plasmid (c) structural gene (d) selectable marker.

Last Answer : (d) selectable marker.

Which of the following is commonly used as a vector for introducing a DNA fragment in human lymphocytes? (a) Retrovirus (b) Ti plasmid (c) λ phage (d) pBR322

Description : Which of the following is commonly used as a vector for introducing a DNA fragment in human lymphocytes? (a) Retrovirus (b) Ti plasmid (c) λ phage (d) pBR322

Last Answer : (a) Retrovirus

Which of the following is related to genetic engineering? (a) Heterosis (b) Mutation (c) Plastid (d) Plasmid

Description : Which of the following is related to genetic engineering? (a) Heterosis (b) Mutation (c) Plastid (d) Plasmid

Last Answer : (d) Plasmid

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

What are the sex organs provided in some bacteria? (a) Sex pili (b) Plasmid (c) Circular DNA (d) Gametes

Description : What are the sex organs provided in some bacteria? (a) Sex pili (b) Plasmid (c) Circular DNA (d) Gametes

Last Answer : (a) Sex pili

n bacteria, plasmid is (a) extra chromosomal material (b) main DNA (c) non functional DNA (d) repetitive gene.

Description : n bacteria, plasmid is (a) extra chromosomal material (b) main DNA (c) non functional DNA (d) repetitive gene.

Last Answer : (a) extra chromosomal material

In bacteria, plasmid is (a) extra chromosomal material (b) main DNA (c) non functional DNA (d) repetitive gene.

Description : In bacteria, plasmid is (a) extra chromosomal material (b) main DNA (c) non functional DNA (d) repetitive gene.

Last Answer : (a) extra chromosomal material

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

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 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

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

What are the uses of plasmid? -Biology

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