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प्रश्न
Answer the following question.
Write the use of restriction endonuclease in the formation of recombinant DNA.
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उत्तर
On finding the palindrome, the endonuclease binds to the DNA.
- It cuts the opposite strands of DNA, but between the same bases on both the strands & forms STICKY ENDS. This sticky ends facilitate the action of enzyme DNA ligase and help in the formation of recombination DNA.
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संबंधित प्रश्न
Explain with the help of a suitable example the naming of a restriction endonuclease.
Suggest a technique to a researcher who needs to separate fragments of DNA.
Explain briefly:
Restriction enzymes and DNA
DNA fragments separate according to size through?
Which of the following statements does not hold true for restriction enzyme?
Given below is the stepwise schematic representation of the process of electrophoresis. Identify the 'alphabets' representing
- Anode end
- smallest/lightest DNA strand in the matrix
- Agarose gel
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.
How are DNA fragments visualised once they are separated by gel electrophoresis?
Identify the activity of endonuclease and exonuclease in the given image.
