Given below are two statements regarding RNA polymerase in prokaryotes. In the light of the above statements, choose the correct answer from the options given below :
- Statement I is true but Statement II is false
- Statement I is false but Statement II is true
- Both Statement I and Statement II are true
- Both Statement I and Statement II are false
Answer
(1) Statement I is true but Statement II is false
Solution
Statement I is true: in prokaryotes, a single DNA-dependent RNA polymerase catalyses all types of transcription and is capable of catalysing the process of elongation.
Statement II is false: RNA polymerase associates transiently with the initiation factor sigma ( ) to initiate transcription and with the termination factor rho ( ) to terminate it.
Answer: (1)