Advertisements
Advertisements
प्रश्न
State the importance of elution in this process.
Advertisements
उत्तर
The DNA fragments purified in this way are used in constructing recombinant DNA by joining them with cloning vectors.
APPEARS IN
संबंधित प्रश्न
Explain with the help of a suitable example the naming of a restriction endonuclease.
Why is the enzyme cellulase needed for isolating genetic material from plant cells and not form the animal cells?
Make a chart (with diagrammatic representation) showing a restriction enzyme, the substrate DNA on which it acts, the site at which it cuts DNA and the product it produces.
Do eukaryotic cells have restriction endonucleases? Justify your answer.
Molecular scissors, which cut DNA at specific site 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?
Which of the following statements does not hold true for restriction enzyme?
Carefully observe the given picture. A mixture of DNA with fragments ranging from 200 base pairs to 2500 base pairs was electrophoresed on agarose gel with the following arrangement.

(a) What result will be obtained on staining with ethidium bromide? Explain with reason.
(b) The above setup was modified and a band with 250 base pairs was obtained at X.

What change(s) were made to the previous design to obtain a band at X? Why did the band appear at position X?
'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.
