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BIO NMDCAT Ribonucleic acid (RNA)
nmdcat.online July 3, 2026

58. The functional group found at the 5′ terminus of an unprocessed, newly synthesized bacterial RNA molecule is a

A. Hydroxyl group
B. Monophosphate group
C. Triphosphate group
✓
D. Methyl group

📝 Explanation

Transcription initiation begins with a nucleoside triphosphate without clearing the pyrophosphate, leaving a 5'-triphosphate terminal.

📖 Additional Information

  • Hydroxyl group
  • Monophosphate group
  • Triphosphate group
  • Methyl group

Transcription initiation begins with a nucleoside triphosphate without clearing the pyrophosphate, leaving a 5'-triphosphate terminal.

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