The pentose sugars found in DNA and RNA differ in which of the following ways?

A. The ribose in RNA lacks a hydroxyl group on the 2' carbon.
B. The deoxyribose in DNA has a hydroxyl group in the 2' position but not the 3'.
C. Both sugars have 5 carbons and form 5-membered rings, but ribose has an oxygen in the
ring and deoxyribose does not.
D. Both sugars have "puckered" rings but differ in which carbon lies outside of the plane of the rest of the ring atoms.
E. The ribose in RNA attaches to the nitrogenous base through the 2' carbon, whereas the deoxyribose attaches to the base through the 1' carbon.


D

Biology & Microbiology

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