NEET 2002 · Class 12

Biotechnology: Principles and Processes

Manipulation of DNA in genetic engineering became possible due to the discovery of

  1. (A)restriction endonuclease
  2. (B)DNA ligase
  3. (C)transcriptase
  4. (D)primase

The NCERT line that answers it

Verbatim line

The cutting of DNA at specific locations became possible with the discovery of the so-called 'molecular scissors'— **restriction enzymes**.

Chapter
Biotechnology: Principles and Processes
Section
9.1 PRINCIPLES OF BIOTECHNOLOGY
Page
3
Words matched
15 of 19

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

6667, emb=0.6127, combined=0.6343). Verified: high — The span explicitly states that cutting DNA at specific locations became possible with the discovery of restriction enzymes, which directly answers the question about what made manipulation of DNA in genetic engineering possible.

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