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प्रश्न
CTTAAG
GAATTC
- What are such sequences called? Name the enzyme used that recognizes such nucleotide sequences.
- What is their significance in biotechnology?
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उत्तर
- Palindromic sequences, endonuclease enzyme
- Restriction enzymes can make complementary cut counterparts forming sticky ends for recombination DNA/RDNA technology to facilitate the ligation of vector and foreign DNA.
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संबंधित प्रश्न
How are 'sticky ends' formed on a DNA strand? Why are they so called?
Name the enzymes that are used for the isolation of DNA from bacterial and fungal cells for recombinant DNA technology.
Distinguish between exonuclease and endonuclease.
Answer the following question.
Explain the significance of palindromic nucleotide sequence 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 radioisotope is not suitable for DNA labeling based studies?
A specific recognition sequence identified by endonucleases to make cuts at specific positions within the DNA is ______
Which of the following statements does not hold true for restriction enzyme?
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.
What are the protruding and hanging stretches of DNA produced by these restriction enzymes called? Describe their role in the formation of rDNA.
