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

1. Regarding the chemical composition of a ribonucleotide, the pentose sugar present is

A. Ribose
✓
B. Deoxyribose
C. Ribulose
D. Deoxyribulose

📝 Explanation

Ribose contains a hydroxyl group (-OH) at the 2' carbon position, distinguishing it from deoxyribose which has a hydrogen atom instead.

📖 Additional Information

  • Ribose
  • Deoxyribose
  • Ribulose
  • Deoxyribulose

Ribose contains a hydroxyl group (-OH) at the 2' carbon position, distinguishing it from deoxyribose which has a hydrogen atom instead.

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