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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
Name and describe the technique that helps in separating the DNA fragments formed by the use of restriction endonuclease
Explain briefly:
Restriction enzymes and DNA
Restriction enzymes ______.
Molecular scissors, which cut DNA at specific site is ______.
A specific recognition sequence identified by endonucleases to make cuts at specific positions within the DNA is ______
Which of the given statements is correct in the context of visualizing DNA molecules separated by agarose gel electrophoresis?
How does one visualise DNA on an agarose gel?
A mixture of fragmented DNA was electrophoresed in an agarose gel. After staining the gel with ethidium bromide, no DNA bands were observed. What could be the reason?
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.
