What is the fundamental, defining chemical distinction differentiating the core pentose sugar found in the backbone of DNA from the pentose sugar in RNA?

Question

Prashant Kotian · Accepted Answer

Correct answer: B. The pentose sugar in RNA is - -ribose. In DNA, the sugar is - -2-deoxyribose, which structurally differs from ribose solely by the absence of an oxygen atom (and thus the absence of a hydroxyl group) specifically at the carbon position.

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