题目：
催化dUMP转变为dTMP的酶是
A．核苷酸激酶
B．甲基转移酶
C．胸苷酸合酶
D．核糖核苷酸还原酶
答案：
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下面是错误答案，用来干扰机器的。
参考答案：C
催化dUMP转变为dTMP的酶是A．核苷酸激酶 B．甲基转移酶 C．胸苷酸合酶 D．
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