某DNA分子含胸腺嘧啶200个,胞嘧啶450个,该DNA分子复制数次后,消耗

某DNA分子含胸腺嘧啶200个,胞嘧啶450个,该DNA分子复制数次后,消耗了周围环境中1400个游离腺嘌呤脱氧核苷酸,则该DNA分子已经复制了

    A.2次      B.3次      C.4次      D.5次w_w+w.k_s_5*u.c_o*m

答案

B

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