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試卷名稱：109年 - 109 國立臺灣大學_轉學生招生考試試題：普通生物學A#126448
年份：109年
科目：研究所、轉學考(插大)-普通生物學
2. RNA differs from DNA because:
(A) RNA is always single-stranded when functioning, and DNA is always double-stranded.
(B) RNA may contain the pyrimidine uracil, and DNA does not.
(C)RNA is more stable than DNA and is broken down less easily.
(D) the pentose sugar in RNA has one less oxygen atom than the pentose sugar in DNA.
