The DNA fragments separated on an agarose gel can be visualised after staining with : (1) Acetocarmine (2) Aniline blue (3) Ethidium bromide (4) Bromophenol blue

The DNA fragments separated on an agarose gel
can be visualised after staining with :
(1) Acetocarmine (2) Aniline blue
(3) Ethidium bromide (4) Bromophenol blue
by

1 Answer

Answer :

(3) Ethidium bromide
by

Related questions

The DNA fragments separated on an agarose gel can be visualised after staining with (a) acetocarmine (b) aniline blue (c) ethidium bromide (d) bromophenol blue.

Description : The DNA fragments separated on an agarose gel can be visualised after staining with (a) acetocarmine (b) aniline blue (c) ethidium bromide (d) bromophenol blue.

Last Answer : (c) ethidium bromide

In gel electrophoresis, separated DNA fragments can be visualized with the help of (a) acetocarmine in bright blue light (b) ethidium bromide in UV radiation (c) acetocarmine in UV radiation (d) ethidium bromide in infrared radiation.

Description : In gel electrophoresis, separated DNA fragments can be visualized with the help of (a) acetocarmine in bright blue light (b) ethidium bromide in UV radiation (c) acetocarmine in UV radiation (d) ethidium bromide in infrared radiation.

Last Answer : (b) ethidium bromide in UV radiation

What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis ? (a) The smaller the fragment size, the farther it moves. (b) Positively charged fragments move to farther end. (c) Negatively charged fragments do not move. (d) The larger the fragment size, the farther it moves.

Description : What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis ? (a) The smaller the fragment size, the farther it moves. (b) Positively charged fragments move to farther end. ... charged fragments do not move. (d) The larger the fragment size, the farther it moves.

Last Answer : (a) The smaller the fragment size, the farther it moves

In agarose gel electrophoresis, DNA molecules are separated on the basis of their-

Description : 6) In agarose gel electrophoresis, DNA molecules are separated on the basis of their- a)charge only b)size only c)charge to size ratio d)all of the above

Last Answer : d)all of the above

What is the criterion for DN A fragments movement on agarose gel during gel electrophoresis ? (1) The smaller the fragment size, the farther it moves (2) Positively charged fragments move to farther end (3) Negatively charged fragments do not move (4) The larger the fragment size, the farther it moves

Description : What is the criterion for DN A fragments movement on agarose gel during gel electrophoresis ? (1) The smaller the fragment size, the farther it moves (2) Positively charged fragments move to farther ... Negatively charged fragments do not move (4) The larger the fragment size, the farther it moves

Last Answer : (1) The smaller the fragment size, the farther it moves

Myeloma cells and lymphocytes can be fused by using (A) Calcium chloride (B) Ethidium bromide (C) Polyethylene glycol (D) DNA polymerase

Description : Myeloma cells and lymphocytes can be fused by using (A) Calcium chloride (B) Ethidium bromide (C) Polyethylene glycol (D) DNA polymerase

Last Answer : Answer : C

How does gel electrophoresis separate DNA fragments?

Description : How does gel electrophoresis separate DNA fragments?

Last Answer : There is a specific density of gel used in the electrophoresis.The DNA is placed in a well, and then electrical charge is used topull the DNA through the gel. Because spliced DNA is ... taxi cab, which is larger, movesslower through the traffic. The bicycle which is smaller, movesquicker.

Why can gel electrophoresis separate dna fragments?

Description : Why can gel electrophoresis separate dna fragments?

Last Answer : Electrophoresis enables you to distinguish DNA fragments of different lengths. DNA is negatively charged, therefore, when an electric current is applied to the gel, DNA will migrate towards the positively ... marker, you can work out the approximate length of the DNA fragments in the samples.

Why can gel electrophoresis separate dna fragments?

Description : Why can gel electrophoresis separate dna fragments?

Last Answer : Electrophoresis enables you to distinguish DNA fragments of different lengths. DNA is negatively charged, therefore, when an electric current is applied to the gel, DNA will migrate towards the positively ... marker, you can work out the approximate length of the DNA fragments in the samples.

Gel electrophoresis is used for (a) construction of recombinant DNA by joining with cloning vectors (b) isolation of DNA molecules (c) cutting of DNA into fragments (d) separation of DNA fragments according to their size.

Description : Gel electrophoresis is used for (a) construction of recombinant DNA by joining with cloning vectors (b) isolation of DNA molecules (c) cutting of DNA into fragments (d) separation of DNA fragments according to their size.

Last Answer : (d) separation of DNA fragments according to their size.

How long can I leave this 1% agarose gel out in room temperature before electrophoresis?

Description : How long can I leave this 1% agarose gel out in room temperature before electrophoresis?

Last Answer : From surfing around, it looks like the gel will last several weeks at room temperature without drying out. I couldn’t find anything that indicated that which dye is used matters, but I doubt it.

What is agarose gel electrophoresis? -Biology

Description : What is agarose gel electrophoresis? -Biology

Last Answer : answer:

What is agarose gel electrophoresis used for? -Biology

Description : What is agarose gel electrophoresis used for? -Biology

Last Answer : answer:

What does agarose gel electrophoresis do? -Biology

Description : What does agarose gel electrophoresis do? -Biology

Last Answer : answer:

If agarose gel material is labeled 1 what does the 1 refer to?

Description : If agarose gel material is labeled 1 what does the 1 refer to?

Last Answer : Need answer

Agarose extracted from sea weeds is used in (a) spectrophotometry (b) tissue culture (c) PCR (d) gel electrophoresis

Description : Agarose extracted from sea weeds is used in (a) spectrophotometry (b) tissue culture (c) PCR (d) gel electrophoresis

Last Answer : (d) gel electrophoresis.

DNA fragments generated by the restriction endo- nucleases in a chemical reaction can be separated by (a) electrophoresis (b) restriction mapping (c) centrifugation (d) polymerase chain reaction.

Description : DNA fragments generated by the restriction endo- nucleases in a chemical reaction can be separated by (a) electrophoresis (b) restriction mapping (c) centrifugation (d) polymerase chain reaction.

Last Answer : (a) electrophoresis

The DNA fragments produced by the use of restriction endonucleases can be separated by

Description : 4. The DNA fragments produced by the use of restriction endonucleases can be separated by (a) polymerase chain reaction (b) gel electrophoresis (c) density gradient centrifugation (d) any of the above.

Last Answer : gel electrophoresis

Methylene blue staining of metachromatic granules is diagnostic for which of the following bacteria? a. Mycobacterium Tuberculosis b. Coiynebacterium Diphtheriae c. Chlamydia Pneumoniae d. Bordetella Pertussis

Description : Methylene blue staining of metachromatic granules is diagnostic for which of the following bacteria? a. Mycobacterium Tuberculosis b. Coiynebacterium Diphtheriae c. Chlamydia Pneumoniae d. Bordetella Pertussis

Last Answer : b. Coiynebacterium Diphtheriae

The color of fluorescein staining in corneal ulcer is: a. Yellow b. Blue c. Green d. Royal blue

Description : The color of fluorescein staining in corneal ulcer is: a. Yellow b. Blue c. Green d. Royal blue

Last Answer : ANSWER: C 

How has French artist, Frederic Sorrieu, visualised in his first print, of the series of four prints, his dream of a world made up of 'democratic and social republics'? Explain. -SST 10th

Description : How has French artist, Frederic Sorrieu, visualised in his first print, of the series of four prints, his dream of a world made up of 'democratic and social republics'? Explain. -SST 10th

Last Answer : The French artist, Fredrick Sorrieu prepared a series of four prints visualising his dream of the world made up of democratic and social republics'. His First Print showed people of Europe and ... upon the scene. They have been used to symbolise the fraternity among the nations of the world.

The basic structure of cell membranes (a) Is a lipid bilayer that serves as a barrier to water soluble molecules (b) Differs ultra structurally for internal and external membranes of cell (c) Is best described as lipids dispersed within a protein bilayer (d) Is visualised as bilaminar structure with transmission electron microscopy

Description : The basic structure of cell membranes (a) Is a lipid bilayer that serves as a barrier to water soluble molecules (b) Differs ultra structurally for internal and external membranes ... dispersed within a protein bilayer (d) Is visualised as bilaminar structure with transmission electron microscopy

Last Answer : Ans:(a)

Which of the following compounds is most acidic? (a) Phenol (b) m-Nitrophenol (c) m-Cresol (d) m-Bromophenol

Description : Which of the following compounds is most acidic? (a) Phenol (b) m-Nitrophenol (c) m-Cresol (d) m-Bromophenol

Last Answer : m-Nitrophenol

Phenol reacts with excess bromine water to give (a) o- plus p-Bromophenol (b) Bromobenzene (c) 2,4,6-Tribromophenol (d) m-Bromophenol

Description : Phenol reacts with excess bromine water to give (a) o- plus p-Bromophenol (b) Bromobenzene (c) 2,4,6-Tribromophenol (d) m-Bromophenol

Last Answer : 2,4,6-Tribromophenol

Which of the following is a natural dye? (1) Crystal violet (2) Aniline blue (3) Alizarin (4) Phenolphthalein

Description : Which of the following is a natural dye? (1) Crystal violet (2) Aniline blue (3) Alizarin (4) Phenolphthalein

Last Answer : (3) Alizarin Explanation: Alizarin or 1,2- dihydroxyanthraquinone (also known as Mordant Red 11 and Turkey Red is an organic compound with formula C14H8O4 that has been used throughout history as a ... of the madder genus. In 1869, it became the first natural pigment to be duplicated synthetically.

Which of the following is a natural dye ? (1) Crystal violet (2) Aniline blue (3) Alizarin (4) Phenolphthalein

Description : Which of the following is a natural dye ? (1) Crystal violet (2) Aniline blue (3) Alizarin (4) Phenolphthalein

Last Answer : Alizarin

What is the technique used for separation of DNA fragments. -Biology

Description : What is the technique used for separation of DNA fragments. -Biology

Last Answer : answer:

A scientist uses materials in her lab to cut a dna sample into fragments what process is the scientist using?

Description : A scientist uses materials in her lab to cut a dna sample into fragments what process is the scientist using?

Last Answer : PCR or polymerase chain reaction. :: Apex

The normal function of restriction endonucleases is to (A) Excise introns from hrRNA (B) Polymerize nucleotides to form RNA (C) Remove primer from okazaki fragments (D) Protect bacteria from foreign DNA

Description : The normal function of restriction endonucleases is to (A) Excise introns from hrRNA (B) Polymerize nucleotides to form RNA (C) Remove primer from okazaki fragments (D) Protect bacteria from foreign DNA

Last Answer : Answer : D

Okasaki fragments are small bits of (A) RNA (B) DNA (C) DNA with RNA heads (D) RNA with DNA heads

Description : Okasaki fragments are small bits of (A) RNA (B) DNA (C) DNA with RNA heads (D) RNA with DNA heads

Last Answer : Answer : C

DNA fragments upto 45 kilobases in size can be cloned in (A) Bacterial plasmids (B) Lambda phage (C) Cosmids (D) Yeast artificial chromosomes

Description : DNA fragments upto 45 kilobases in size can be cloned in (A) Bacterial plasmids (B) Lambda phage (C) Cosmids (D) Yeast artificial chromosomes

Last Answer : Answer : C

Lambda phage can be used to clone DNA fragments of the size (A) Upto 3 kilobases (B) Upto 20 kilobases (C) Upto 45 kilobases (D) Upto 1,000 kilobases

Description : Lambda phage can be used to clone DNA fragments of the size (A) Upto 3 kilobases (B) Upto 20 kilobases (C) Upto 45 kilobases (D) Upto 1,000 kilobases

Last Answer : Answer : B

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

DNA fragments are sealed by (A) DNA polymerase II (B) DNA ligase (C) DNA gyrase (D) DNA topoisomerase II

Description : DNA fragments are sealed by (A) DNA polymerase II (B) DNA ligase (C) DNA gyrase (D) DNA topoisomerase II

Last Answer : Answer : B

Restriction endonucleases (A) Cut RNA chains at specific locations (B) Excise introns from hnRNA (C) Remove Okazaki fragments (D) Act as defensive enzymes to protect the host bacterial DNA from DNA of foreign organisms

Description : Restriction endonucleases (A) Cut RNA chains at specific locations (B) Excise introns from hnRNA (C) Remove Okazaki fragments (D) Act as defensive enzymes to protect the host bacterial DNA from DNA of foreign organisms

Last Answer : Answer : D

On what basis the short fragments of DNA arrange themselves?

Description : On what basis the short fragments of DNA arrange themselves?

Last Answer : The short fragments of DNA get separated on the basis of their size and net electrical charge.

The restriction enzymes are used in genetic engineering, because (a) they can cut DNA at specific base sequence (b) they are nucleases that cut DNA at variable sites (c) they can degrade harmful proteins (d) they can join different DNA fragments.

Description : The restriction enzymes are used in genetic engineering, because (a) they can cut DNA at specific base sequence (b) they are nucleases that cut DNA at variable sites (c) they can degrade harmful proteins (d) they can join different DNA fragments.

Last Answer : (a) they can cut DNA at specific base sequence

DNA fragments are (a) negatively charged (b) neutral (c) either positively or negatively charged depending on their size (d) positively charged

Description : DNA fragments are (a) negatively charged (b) neutral (c) either positively or negatively charged depending on their size (d) positively charged

Last Answer : (a) negatively charged

Choose the correct pair from the following. (a) Ligases - Join the two DNA molecules (b) Polymerases - Break the DNA into fragments (c) Nucleases - Separate the two strands of DNA (d) Exonucleases - Make cuts at specific positions within DNA

Description : Choose the correct pair from the following. (a) Ligases - Join the two DNA molecules (b) Polymerases - Break the DNA into fragments (c) Nucleases - Separate the two strands of DNA (d) Exonucleases - Make cuts at specific positions within DNA

Last Answer : (a) Ligases - Join the two DNA molecules

During DNA replication, Okazaki fragments are used to elongate (a) the lagging strand towards replication fork (b) the leading strand away from replication fork (c) the lagging strand away from the replication fork (d) the leading strand towards replication fork.

Description : During DNA replication, Okazaki fragments are used to elongate (a) the lagging strand towards replication fork (b) the leading strand away from replication fork (c) the lagging strand away from the replication fork (d) the leading strand towards replication fork.

Last Answer : (b) the leading strand away from replication fork

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.

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.

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

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.

In the semiconservative method of replication a. Both parent strands are degraded. b. One parent strand is conserved in each of the the new dna. c. Both parent strands reform with one another. d. Okazaki fragments form both of the new molecules of DNA.

Description : In the semiconservative method of replication a. Both parent strands are degraded. b. One parent strand is conserved in each of the the new dna. c. Both parent strands reform with one another. d. Okazaki fragments form both of the new molecules of DNA.

Last Answer : b. One parent strand is conserved in each of the the new dna.

At a chromosome replication fork, the lagging strand consists of__ That is joined by___. a. RNA sequences; DNA ligase b. Okazaki Fragments; RNA Polymerase c. RNA sequences; ribosomes d. Okazaki fragments; DNA ligase

Description : At a chromosome replication fork, the lagging strand consists of__ That is joined by___. a. RNA sequences; DNA ligase b. Okazaki Fragments; RNA Polymerase c. RNA sequences; ribosomes d. Okazaki fragments; DNA ligase

Last Answer : d. Okazaki fragments; DNA ligase

In DNA sequencing, the primer A.specifies where the sequence ends B.specifies where the sequence begins C.both (a) and (b) D.generates variety of different sized fragments

Description : In DNA sequencing, the primer A.specifies where the sequence ends B.specifies where the sequence begins C.both (a) and (b) D.generates variety of different sized fragments

Last Answer : B.specifies where the sequence begins

During DNA replication, Okazaki fragments are used to elongate: (1) The lagging strand towards replication fork. (2) The leading strand away from replication fork. (3) The lagging strand away from the replication fork. (4) The leading strand towards replication fork.

Description : During DNA replication, Okazaki fragments are used to elongate: (1) The lagging strand towards replication fork. (2) The leading strand away from replication fork. (3) The lagging strand away from the replication fork. (4) The leading strand towards replication fork.

Last Answer : (3) The lagging strand away from the replication fork.

DNA fragments are: (1) Negatively charged (2) Neutral (3) Either positively or negatively charged depending on their size (4) Positively charged

Description : DNA fragments are: (1) Negatively charged (2) Neutral (3) Either positively or negatively charged depending on their size (4) Positively charged

Last Answer : (1) Negatively charged

We have been drinking iron water for a long time , so what can we do after staining our teeth and will there be any harm to our body by drinking this water ?

Description : We have been drinking iron water for a long time , so what can we do after staining our teeth and will there be any harm to our body by drinking this water ?

Last Answer : Remove tooth stains on the advice of a dentist. You can try it by filtering the water. May cause redness. And check the water from the water development board. There will be no harm if there is no arsenic or iron in the water.

Why does DNA move towards the anode in gel electrophoresis? -Biology

Description : Why does DNA move towards the anode in gel electrophoresis? -Biology

Last Answer : answer: