The ribose sugar and phosphate group forms the backbone of the polynucleotide chain while a series of base connected to the backbone bond the two chains, where A bonds with T, G bonds with C.是什么意思_The ribose sugar and phosphate group forms the backbone of the polynucleotide chain while a series of base connected to the backbone bond the two chains, where A bonds with T, G bonds with C.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句