A radioactive isotope labeled cDNA probe is used in (A) Southern blotting (B) Northern blotting (C) Both (A) and (B) (D) None of these

A radioactive isotope labeled cDNA probe is used in (A) Southern blotting (B) Northern blotting (C) Both (A) and (B) (D) None of these
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An antibody probe is used in (A) Southern blotting (B) Northern blotting (C) Western blotting (D) None of these

Description : An antibody probe is used in (A) Southern blotting (B) Northern blotting (C) Western blotting (D) None of these

Last Answer : Answer : C

A particular protein in a mixture can be detected by A) Southern blotting (B) Northern blotting (C) Western blotting (D) None of these

Description : A particular protein in a mixture can be detected by A) Southern blotting (B) Northern blotting (C) Western blotting (D) None of these

Last Answer : Answer : C

A particular RNA in a mixture can be identified by (A) Western blotting (B) Eastern blotting (C) Northern blotting (D) Southern blotting

Description : A particular RNA in a mixture can be identified by (A) Western blotting (B) Eastern blotting (C) Northern blotting (D) Southern blotting

Last Answer : Answer : C

Fragments of DNA can be identified by the technique of (A) Western blotting (B) Eastern blotting (C) Northern blotting (D) Southern blotting

Description : Fragments of DNA can be identified by the technique of (A) Western blotting (B) Eastern blotting (C) Northern blotting (D) Southern blotting

Last Answer : Answer : D

The blotting technique used to identify the isolated protein is - (1) Northern blotting (2) Western blotting (3) Southern blotting (4) Cloning

Description : The blotting technique used to identify the isolated protein is - (1) Northern blotting (2) Western blotting (3) Southern blotting (4) Cloning

Last Answer : (2) Western blotting Explanation: Protein electrophoresis and Western blotting are both methods used to identify specific proteins in a sample or solution. Western blotting, also known as immunoblotting or ... to detect the presence of a specific protein in a complex mixture extracted from cells.

In DNA finger printing method, the transfer of DNA from gel to nylon membrane is called________ a. Western Blotting b. Eastern Blotting c. Southern Blotting d. Northern Blotting

Description : In DNA finger printing method, the transfer of DNA from gel to nylon membrane is called________ a. Western Blotting b. Eastern Blotting c. Southern Blotting d. Northern Blotting

Last Answer : c. Southern Blotting

The blotting technique used to identify the isolated protein is (1) Northern blotting (2) Western blotting (3) Southern blotting (4) Cloning

Description : The blotting technique used to identify the isolated protein is (1) Northern blotting (2) Western blotting (3) Southern blotting (4) Cloning

Last Answer : Western blotting

What property of DNA makes hybridization between a labeled probe and a target gene possible?

Description : What property of DNA makes hybridization between a labeled probe and a target gene possible?

Last Answer : Containing many nucleotides

Applications of northern blotting? -Biology

Description : Applications of northern blotting? -Biology

Last Answer : answer:

Applications of northern blotting? -Biology

Description : Applications of northern blotting? -Biology

Last Answer : answer:

In vitro clonal propagation in plants is characterized by (a) PCR and RAPD (b) Northern blotting (c) electrophoresis and HPLC (d) microscopy.

Description : In vitro clonal propagation in plants is characterized by (a) PCR and RAPD (b) Northern blotting (c) electrophoresis and HPLC (d) microscopy.

Last Answer : (a) PCR and RAPD

An analysis of chromosomal DNA using the Southern hybridization technique does not use (a) electrophoresis (b) blotting (c) autoradiography (d) PCR.

Description : An analysis of chromosomal DNA using the Southern hybridization technique does not use (a) electrophoresis (b) blotting (c) autoradiography (d) PCR.

Last Answer : (d) PCR.

With regard to DNA molecules: a. they contain adenine, cytosine, guanine and uracil bases b. they can be detected with Western blotting c. they can be detected with Southern blotting d. they are denatured at temperature of 1000C

Description : With regard to DNA molecules: a. they contain adenine, cytosine, guanine and uracil bases b. they can be detected with Western blotting c. they can be detected with Southern blotting d. they are denatured at temperature of 1000C

Last Answer : they can be detected with Southern blotting

Hall probe is made up of A. metals B. non metals C. semiconductor D. radioactive material

Description : Hall probe is made up of A. metals B. non metals C. semiconductor D. radioactive material

Last Answer : semiconductor

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.

71. A single strand of nucleic acid tagged with a radioactive molecule is called (1) Probe (2) Vector (3) Selectable marker (4) Plasmid

Description : 71. A single strand of nucleic acid tagged with a radioactive molecule is called (1) Probe (2) Vector (3) Selectable marker (4) Plasmid

Last Answer : Probe

Is the decay of a radioactive isotope predictable (causally determined) or not?

Description : Is the decay of a radioactive isotope predictable (causally determined) or not?

Last Answer : At this point it seems to be a result of quantum indeterminacy. In other words, since the Heisenberg uncertainty principle is in effect at that level, all we can determine is probability (hence a predictable ... , it is deterministic and we will (hopefully) one day be able to understand it as such.

The radioactive isotope of cerium - 137 of weigh 8g was collected on 1st Feb. 2006 kept in a sealed tube. On 1st July, 2006, it was found that only 0.

Description : The radioactive isotope of cerium - 137 of weigh 8g was collected on 1st Feb. 2006 kept in a sealed tube. On 1st July, 2006, it was found that only 0.

Last Answer : The radioactive isotope of cerium - 137 of weigh 8g was collected on 1st Feb. 2006 kept in a sealed tube. On ... days B. 30 days C. 25 days D. 50 days

Assertion (A) : Half life of a radioactive isotope is the time required to decrease its mass number by half Reason (R ) : Half life of radioactive iso

Description : Assertion (A) : Half life of a radioactive isotope is the time required to decrease its mass number by half Reason (R ) : Half life of radioactive iso

Last Answer : Assertion (A) : Half life of a radioactive isotope is the time required to decrease its mass number by half ... . If both (A) and (R ) are incorrect.

(A) The archaeological studies are based on the radioactive decay of carbon-14 isotope. (R ) The ratio of C-14 to C-12 in the animals of plants is the

Description : (A) The archaeological studies are based on the radioactive decay of carbon-14 isotope. (R ) The ratio of C-14 to C-12 in the animals of plants is the

Last Answer : (A) The archaeological studies are based on the radioactive decay of carbon-14 isotope. (R ) The ratio of C ... D. If both (A) and (R ) are incorrect.

The half life of radioactive isotope is 3 hour. If the initial mass of isotope were 256 g, the mass of it remaining undecayed after 18 hr is a)12 g b)

Description : The half life of radioactive isotope is 3 hour. If the initial mass of isotope were 256 g, the mass of it remaining undecayed after 18 hr is a)12 g b)

Last Answer : The half life of radioactive isotope is 3 hour. If the initial mass of isotope were 256 g, the mass of it remaining ... 4 g B. 8 g C. 12 g D. 16 g

Which radioactive isotope is used to detect tumours?

Description : Which radioactive isotope is used to detect tumours?

Last Answer : Which radioactive isotope is used to detect tumours? A. `.^(74)As` B. `.^(24)Na` C. `.^(131)I` D. `.^(60)Co`

When `._(13)^(27)Al` is bombarded whith `alpha`-particles, a radioactive isotope of phosphorus `._(15)^(30)P` with the emission of …. Is formed

Description : When `._(13)^(27)Al` is bombarded whith `alpha`-particles, a radioactive isotope of phosphorus `._(15)^(30)P` with the emission of …. Is formed

Last Answer : When `._(13)^(27)Al` is bombarded whith `alpha`-particles, a radioactive isotope of phosphorus ` ... A. neutrons B. protons C. positrons D. electrons

A radioactive isotope having a half life of 3 days was received after 12 days. It was found that there were 3 gm of the isotopes in the container. The

Description : A radioactive isotope having a half life of 3 days was received after 12 days. It was found that there were 3 gm of the isotopes in the container. The

Last Answer : A radioactive isotope having a half life of 3 days was received after 12 days. It was found that there were 3 gm of ... 48 g B. 36 g C. 24 g D. 12 g

When an isotope is blank it is radioactive?

Description : When an isotope is blank it is radioactive?

Last Answer : When an isotope is unstable, it is said to be radioactive.

When does an isotope undergo radioactive decay?

Description : When does an isotope undergo radioactive decay?

Last Answer : An atom of a given isotope will undergo radioactive decay whenever it feels like it. No joke. The nucleus of a radioactive isotope is unstable. Always. But that atom has no predictable moment ... to decay, except that those with very short half lives will pretty much disappear relatively quickly.

What type of decay involves only the release of high-energy photons and therefore does not change the mass of an atom of a radioactive isotope?

Description : What type of decay involves only the release of high-energy photons and therefore does not change the mass of an atom of a radioactive isotope?

Last Answer : High-energy photons are gamma rays; the decay is called gamma decay. Please note that the mass of an atom DOES change, since a loss of energy is accompanied by a loss in mass.

What name is given to the time taken for half the atoms in a sample of a radioactive isotope to decay?

Description : What name is given to the time taken for half the atoms in a sample of a radioactive isotope to decay?

Last Answer : Half-life

Pick out the wrong statement. (A) α-particle emission from a radioactive element makes it electrically negative (B) β-particle emission from a radioactive element makes it electrically positive (C) A radioactive element having a half life period of 20 years will completely disintegrated in 40 years (D) The disintegration constant of a radioactive isotope is independent of pressure, temperature or concentration

Description : Pick out the wrong statement. (A) α-particle emission from a radioactive element makes it electrically negative (B) β-particle emission from a radioactive element makes it electrically ... ) The disintegration constant of a radioactive isotope is independent of pressure, temperature or concentration

Last Answer : (C) A radioactive element having a half life period of 20 years will completely disintegrated in 40 years

Which one is the radioactive isotope of hydrogen? (A) Deuterium (B) Ortho-hydrogen (C) Tritium (D) None of these

Description : Which one is the radioactive isotope of hydrogen? (A) Deuterium (B) Ortho-hydrogen (C) Tritium (D) None of these

Last Answer : (C) Tritium

A radioactive isotope undergoes decay with respect to time following __________ law. (A) Logarithmic (B) Exponential (C) Linear (D) Inverse square

Description : A radioactive isotope undergoes decay with respect to time following __________ law. (A) Logarithmic (B) Exponential (C) Linear (D) Inverse square

Last Answer : (B) Exponential

The time required for half of the __________ of a radioactive isotope to decay is called its half life. (A) Nuclei (B) Electrons

Description : The time required for half of the __________ of a radioactive isotope to decay is called its half life. (A) Nuclei (B) Electrons

Last Answer : (A) Nuclei

The radioactive isotope of hydrogen is called--------- and its nucleus contains --------proton and --- --neutron.

Description : The radioactive isotope of hydrogen is called--------- and its nucleus contains --------proton and --- --neutron.

Last Answer : Ans: Tritium, one and two

Radioactive isotope of Uranium used in Nuclear Bomb is ? A.92 U 235 (Answer) B.92 U 234 C. 92 U 233 D. 92 U 238

Description : Radioactive isotope of Uranium used in Nuclear Bomb is ? A.92 U 235 (Answer) B.92 U 234 C. 92 U 233 D. 92 U 238

Last Answer : A.92 U 235 (Answer)

Which technique has helped in investigation of Calvin cycle? (a) X-ray crystallography (b) X-ray technique (c) Radioactive isotope technique (d) Intermittent light

Description : Which technique has helped in investigation of Calvin cycle? (a) X-ray crystallography (b) X-ray technique (c) Radioactive isotope technique (d) Intermittent light

Last Answer : (c) Radioactive isotope technique

A radioactive isotope has a half-life of 10 days. If today there are 125 g of it left, what was its original weight...

Description : A radioactive isotope has a half-life of 10 days. If today there are 125 g of it left, what was its original weight 40 days earlier  (a) 600 g (b) 1000 g (c) 1250 g (d) 2000 g 

Last Answer : Half life = 10days  The formula which is, 1/(2)^n × original weight = Weight left today.  To obtain the value of n = divide no of days by half life ie.,n= 40/10= 4 n=4 So, 1/(2)^n × original Weight = 125g 1/(2)^4 × Original weight = 125 Original weight = 16×125 = 2000g

Which of the following techniques is used to separate proteins based upon differences in their mass? (A) Isoelectric focusing (B) Dialysis (C) SDS-gel Electrophoresis (D) Western blotting

Description : Which of the following techniques is used to separate proteins based upon differences in their mass? (A) Isoelectric focusing (B) Dialysis (C) SDS-gel Electrophoresis (D) Western blotting

Last Answer : Answer : C

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

The following statement(s) is/are true concerning newer detection methods of systemic infection. a. Enzyme-linked immunosorbent assay (ELISA) is a rapid immunologic assay used for both antigen and antibody detection b. Southern, northern, and western immunoblot techniques are used to detect DNA, RNA, or proteins, respectively c. Polymerase chain reaction (PCR) is a sensitive assay used to detect small amounts of microbial DNA, thus detecting infection at its early stages d. Infectious agents currently detected using advanced molecular techniques include cytomegalovirus (CMV) and human immunodeficiency virus (HIV)

Description : The following statement(s) is/are true concerning newer detection methods of systemic infection. a. Enzyme-linked immunosorbent assay (ELISA) is a rapid immunologic assay used for ... detected using advanced molecular techniques include cytomegalovirus (CMV) and human immunodeficiency virus (HIV)

Last Answer : Answer: a, b, c, d Although the classic detection of infection based on clinical signs of infection and bacterial culture remain the most common clinical tools, increasing ... including CMV and HIV. Furthermore, preliminary investigations into possible detection of fungal pathogens are underway

What is the difference between rDNA and cDNA? -Biology

Description : What is the difference between rDNA and cDNA? -Biology

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What is cDNA library? -Biology

Description : What is cDNA library? -Biology

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What are the applications of cDNA library? -Biology

Description : What are the applications of cDNA library? -Biology

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Advantages of using a cDNA library? -Biology

Description : Advantages of using a cDNA library? -Biology

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Disadvantages of using a cDNA library? -Biology

Description : Disadvantages of using a cDNA library? -Biology

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Advantages of using a cDNA library? -Biology

Description : Advantages of using a cDNA library? -Biology

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Disadvantages of using a cDNA library? -Biology

Description : Disadvantages of using a cDNA library? -Biology

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cDNA probes are copied from the messenger RNA molecules with the help of

Description : cDNA probes are copied from the messenger RNA molecules with the help of

Last Answer : cDNA probes are copied from the messenger RNA molecules with the help of A. restriction ... C. DNA olyermase D. adenosine deaminase deficiency