Advertisements
Advertisements
प्रश्न
Why is the enzyme cellulase needed for isolating genetic material from plant cells and not form the animal cells?
Why is the enzyme cellulase used for isolating genetic material from plant cells but not for animal cells?
Advertisements
उत्तर
Plant cells have a cell wall made up of cellulose, whereasanimal cells lack cell wall and do not contain cellulose. Therefore, the enzyme cellulase is needed for isolating genetic material from plant cells only.
संबंधित प्रश्न
Explain with the help of a suitable example the naming of a restriction endonuclease.
Mention the difference in the mode of action of exonuclease and endonuclease.
Name and describe the technique that helps in separating the DNA fragments formed by the use of restriction endonuclease
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.
Explain briefly:
Restriction enzymes and DNA
Distinguish between exonuclease and endonuclease.
Explain the roles of the following with the help of an example each in recombinant DNA technology :
Restriction Enzymes
Answer the following question.
Write the use of restriction endonuclease 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 ______.
There is a restriction endonudease called as EcoRI. What does co part in it stands for?
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?
'Restriction' in Restriction enzyme refers to ______.
Which of the following statements does not hold true for restriction enzyme?
Would you choose an exonuclease while producing a recombinant DNA molecule?
State the importance of elution in this process.
What are the protruding and hanging stretches of DNA produced by these restriction enzymes called? Describe their role in the formation of rDNA.
Hind II always cuts DNA molecules at a particular point called recognition sequence and it consists of ______.
