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प्रश्न
What does H in’ ‘d’ and ‘III’ refer to in the enzyme Hind III?
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उत्तर
H’ from name of genus Haemophilus, ‘d’ from name of strain Rd. TIT indicates the order in which the enzyme was isolated from the Rd strain of bacteria.
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संबंधित प्रश्न
Why is the enzyme cellulase needed for isolating genetic material from plant cells and not form the animal cells?
Mention the difference in the mode of action of exonuclease and endonuclease.
Name the enzymes that are used for the isolation of DNA from bacterial and fungal cells for recombinant DNA technology.
Name and describe the technique that helps in separating the DNA fragments formed by the use of restriction endonuclease
Distinguish between exonuclease and endonuclease.
Explain the roles of the following with the help of an example each in recombinant DNA technology :
Restriction Enzymes
Answer the following question.
Write the use of restriction endonuclease in the formation of recombinant DNA.
A mixture containing DNA fragments a, b, c and d, with molecular weights of a + b = c, a > b and d > c was subject to agarose get electrophoresis. This position of these fragments from cathode to anode to anode sides of the gel would be ______.
Which of the following enzymes catalyse the removal of nucleotides from the ends of DNA?
Which of the given statements is correct in the context of visualizing DNA molecules separated by agarose gel electrophoresis?
While isolating DNA from bacteria, which of the following enzymes is not required?
Which of the following bacteria is not a source of restriction endonuclease?
Would you choose an exonuclease while producing a recombinant DNA molecule?
State the importance of elution in this process.
Given below is the restriction site of a restriction endonuclease Pst-I and the cleavage sites on a DNA molecule.
\[\ce{5' C - T - G - C - A \overset{\downarrow}{-}{G 3'}}\]
\[\ce{3' G\underset{\uparrow}{-} A - C - G - T - C 5'}\]
Choose the option that gives the correct resultant fragments by the action of the enzyme Pst-I.
State the principle involved in separation of DNA fragments using gel electrophoresis.
Identify the activity of endonuclease and exonuclease in the given image.
Hind II always cuts DNA molecules at a particular point called recognition sequence and it consists of ______.
During agarose gel electrophoresis, why do DNA fragments migrate toward the anode (positive electrode)?
Why are Type II restriction endonucleases the primary class of restriction enzymes used in genetic manipulation?
