試題詳解

22. Reiji Okazaki discovered what are now called "Okazaki fragments" produced during DNA replication. These fragments are________.
(A)short lengths of new DNA on the leading strand
(B)RNA primers on the lagging strand
(C)RNA primers on both the lagging and leading strand
(D) short lengths of new DNA on the lagging strand
(E) RNA primers on the leading strand