Ribose sugars have _____ at _____ carbon.

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Multiple Choice

Ribose sugars have _____ at _____ carbon.

Explanation:
Ribose in RNA has a hydroxyl group on the 2' carbon. This is what distinguishes it from deoxyribose, which has only a hydrogen at that position. The presence of the 2' OH is the defining feature most people test when asking about ribose versus deoxyribose. (Note: ribose also has a hydroxyl at the 3' carbon, which is why RNA can form phosphodiester bonds, but the key point here is the 2' position.)

Ribose in RNA has a hydroxyl group on the 2' carbon. This is what distinguishes it from deoxyribose, which has only a hydrogen at that position. The presence of the 2' OH is the defining feature most people test when asking about ribose versus deoxyribose. (Note: ribose also has a hydroxyl at the 3' carbon, which is why RNA can form phosphodiester bonds, but the key point here is the 2' position.)

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