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STD 12 - 5. molecular basis of inheritance — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 5. molecular basis of inheritance1 Mark
MCQ
Transcription
  • A
    starts at initiator region and ends at stop region.
  • B
    starts at operator region and ends at telomeric end.
  • ✓
    starts at promoter region and ends at terminator region.
  • D
    starts at $CAAT$ box and ends at $TATA\; box.$
✓

Answer

Correct option: C.
starts at promoter region and ends at terminator region.
c
Formation of $mRNA$ from $DNA$ is called as transcription. The segment of $DNA$ involved in transcriptions is cistron, which have a promoter region where initiation is started and terminator region where transcription ends. Enzyme involved in transcription is $RNA$ polymerase-II.

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