Q177 / 180 · NEET 2020 (Phase 2) · Zoology

Spooling is:

  • A
    Amplification of DNA
  • B
    Cutting of separated DNA bands from the agarose gel
  • C
    Transfer of separated DNA fragments to synthetic membranes
  • Correct answer
    D
    Collection of isolated DNA

Solution

Purified DNA can be precipitated out after the addition of chilled ethanol. Such precipitates of DNA appears as fine threads in the suspension and can be taken out by a method called spooling.

Transfer of separated DNA fragments to synthetic membranes is called blotting.

Amplification of DNA is carried out by PCR.

Cutting of separated DNA bands from the agarose gel is called elution.

Hence, the correct answer is option: 'D'.

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