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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
How are 'sticky ends' formed on a DNA strand? Why are they so called?
Mention the difference in the mode of action of exonuclease and endonuclease.
How does a restriction nuclease function? Explain
Collect 5 examples of palindromic DNA sequences. Better try to create a palindromic sequence by following base-pair rules.
How does restriction endonuclease function?
Explain the roles of the following with the help of an example each in recombinant DNA technology :
Restriction Enzymes
Answer the following question.
Explain the significance of palindromic nucleotide sequence in the formation of recombinant DNA.
Answer the following question.
Write the use of restriction endonuclease in the formation of recombinant DNA.
Give a reason why :
Single cloning site is preferred in a vector.
The DNA fragment separated on an agarose gel can be visualized by staining with ______.
A specific recognition sequence identified by endonucleases to make cuts at specific positions within the DNA is ______
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?
'Restriction' in Restriction enzyme refers to ______.
A plasmid DNA and a linear DNA (both are of the same size) have one site for a restriction endonuclease. When cut and separated on agarose gel electrophoresis, plasmid shows one DNA band while linear DNA shows two fragments. Explain.
CTTAAG
GAATTC
- What are such sequences called? Name the enzyme used that recognizes such nucleotide sequences.
- What is their significance in biotechnology?
State the importance of elution in this process.
'EcoRI' has played a very significant role in rDNA technology.
- Explain the convention for naming EcoRI.
- Write the recognition site and the cleavage sites of this restriction endonuclease.
Identify the activity of endonuclease and exonuclease in the given image.
