_______________ consist of a nitrogen-containing ring compound linked to a five-carbon sugar that has one or more phosphate groups attached to it. The sugar can be either ribose or deoxyribose.
_______________ consist of a nitrogen-containing ring compound linked to a five-carbon sugar that has one or more phosphate groups attached to it. The sugar can be either ribose or deoxyribose.
发布时间：2025-07-14 23:09:32
