题目内容：
下列关于细胞结构和生物体内化合物的叙述正确的是
A.抗体、激素、tRNA发挥一次作用后都将失去生物活性
B.ATP脱去两个磷酸基团后成为RNA的基本组成单位之一
C.蓝藻和绿藻都能进行光合作用，故二者含有的光合色素相同
D.细菌代谢速率极快，细胞膜和细胞器膜为其提供了结构基础
参考答案：
选择题：下列关于细胞结构和生物体内化合物的叙述正确的是
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