Q150 / 200 · NEET 2024 (Re-NEET) · Zoology

Given below are two statements regarding RNA polymerase in prokaryotes. Statement I : In prokaryotes, RNA polymerase is capable of catalysing the process of elongation during transcription. Statement II : RNA polymerase associate transiently with 'Rho' factor to initiate transcription. In the light of the above statements, choose the correct answer from the options given below :

  • Correct answer
    A
    Statement I is true but Statement II is false
  • B
    Statement I is false but Statement II is true
  • C
    Both Statement I and Statement II are true
  • D
    Both Statement I and Statement II are false

Solution

The RNA polymerase is only capable of catalysing the process of elongation, thus, statement I is correct. RNA polymerase associates transiently with initiation-factor $(\sigma)$ and termination-factor $(\rho)$ to initiate and terminate the transcription. Thus, statement II is incorrect.

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

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