阿摩線上測驗
42. How are nucleotides joined together to form nucleic acids?
(A) By covalent bonds between the phosphate groups
(B) By phosphodiester linkages between the 5’-hydroxyl group of one pentose and
the 3’-hydroxyl group of the next
(C) By peptide linkages between the nitrogenous bases
(D) By hydrogen bonds between the nitrogenous bases
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統計： A(0), B(2), C(1), D(0), E(0) #3167808
統計： A(0), B(2), C(1), D(0), E(0) #3167808
