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easyMCQNEET 20192026BIOLOGY
1 mark

Match the following enzymes with their functions:Column I: (a) Restriction endonuclease, (b) Exonuclease, (c) DNA ligase, (d) Tag polymeraseColumn II: (i) joins DNA fragments, (ii) extends primers, (iii) cuts DNA at specific position, (iv) removes nucleotides from ends

  1. A
    (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
  2. B
    (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
  3. C
    (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
  4. D
    (a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)

Solution & Step-by-step Explanation

1. Restriction endonuclease: Molecular scissors that cut DNA at specific positions.2. Exonuclease: Removes nucleotides from the ends.3. DNA ligase: Molecular glue that joins DNA fragments.4. Taq polymerase: Thermostable enzyme that extends primers in PCR.

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Match the following enzymes with their functions:Column I: (a) Restriction endonuclease, (b) Exonuclease, (c) DNA ligase, (d) Tag polymeraseColumn II: (i) joins DNA fragments, (ii) extends primers, (iii) cuts DNA at specific position, (iv) removes nucleotides from ends
A
(a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
B
(a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
C
(a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
D
(a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)

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