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प्रश्न
Write a short note on Electrophoresis.
उत्तर
It is a technique commonly used in the lab to separate charged molecules like DNA, according to size.
There are two types of gels used for electrophoresis.
– Agarose gel for separation of medium and large-sized nucleic acids
– Polyacrylamide gels for separation of proteins and purification of enzymes or separation of DNA fragments.
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संबंधित प्रश्न
Expand the following abbreviation: BAC
The bacterium which causes a plant disease called crown gall is _______________.
Which of the following is TRUE regarding EcoR I?
Which of the following is an INCORRECT match?
Observe the given sequence of nitrogenous bases on a DNA fragments and answer the following questions:
5' - CAGAATTCTTA - 3'
3' - GTCTTAAGAAT - 5'
- Name a restriction enzyme which can recognise this DNA sequence.
- Write the sequence after digestion.
- Why are the ends generated after digestion called sticky ends?
pBR322, used very frequently in cloning experiments as a vector in E. coli is ______.
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Give a reason for the following:
DNA cannot enter directly into the host cell.
