BiomoleculesmediumMCQ SINGLE⭐ Must-Do

Structurally differentiating RNA from DNA involves examining the core pentose sugar. The fundamentalBiomolecules Chemistry Question

Question

Structurally differentiating RNA from DNA involves examining the core pentose sugar. The fundamental pentose sugar unit utilized exclusively in the backbone of DNA is:

Answer: C

💡 Solution & Explanation

The core sugar in DNA is $\beta$ -D-2-deoxyribose, which structurally differs from RNA's $\beta$ -D-ribose solely by the complete absence of the hydroxyl ($-OH$) group exactly at the C-2' carbon position.

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