NEET 2001 · Class 12

Molecular Basis of Inheritance

mRNA is synthesised on DNA template in which direction

  1. (A)5'  3'
  2. (B)3'  5'
  3. (C)both (a) and (b)
  4. (D)any

The NCERT line that answers it

Verbatim line

The RNA polymerase moves along the DNA template strand, synthesizing the RNA strand in the 5' to 3' direction.

Chapter
Molecular Basis of Inheritance
Section
5.5.3 Types of RNA and the process of Transcription

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

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states 'synthesizing the RNA strand in the 5' to 3' direction,' which directly and conclusively answers the MCQ about mRNA synthesis direction.

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