NEET 2015 · Class 12

Biotechnology: Principles and Processes

The cutting of DNA at specific locations became possible with the discovery of

  1. (A)selectable markers
  2. (B)ligases
  3. (C)restriction enzymes
  4. (D)probes

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

0, emb=0.6361, combined=0.7817). Verified: high — The span explicitly states that cutting DNA at specific locations became possible with restriction enzymes, which directly matches the question and distinguishes it from other options.

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