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
Mention the difference in the mode of action of exonuclease and endonuclease.
How does a restriction nuclease function? Explain
Explain the roles of the following with the help of an example each in recombinant DNA technology :
Restriction Enzymes
Answer the following question.
Explain the significance of palindromic nucleotide sequence in the formation of recombinant DNA.
Give a reason why :
Single cloning site is preferred in a vector.
The DNA fragment separated on an agarose gel can be visualized by staining with ______.
Which of the following radioisotope is not suitable for DNA labeling based studies?
There is a restriction endonudease called as EcoRI. What does co part in it stands for?
Molecular scissors, which cut DNA at specific site is ______.
'Restriction' in restriction enzyme refers to
A specific recognition sequence identified by endonucleases to make cuts at specific positions within the DNA is ______
In agarose gel electrophoresis, DNA molecules are separated on the basis of their ______.
While isolating DNA from bacteria, which of the following enzymes is not required?
Which of the following bacteria is not a source of restriction endonuclease?
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?
What are the protruding and hanging stretches of DNA produced by these restriction enzymes called? Describe their role in the formation of rDNA.
Identify the activity of endonuclease and exonuclease in the given image.
