题目

A young executive was traveling down a neighborhood street．He was watching for kids rushing out from between parked cars and slowed down when he thought he saw something．As his car passed，no children appeared．Instead，a brick smashed into his door! He slammed on the brakes(make his car stop)．The angry driver then jumped out of the car, caught the nearest kid and pushed him up against a parked car，shouting，“What was that all about and who are you?” The young boy was apologetic．“Please，Mister．．．Please，I’m sorry…I didn’t know what else to do．I threw the br美国的保罗·博耶和约翰·沃克因发现了“能量分子”三磷酸腺苷合成酶在体内形成过程而获得1997年诺贝尔化学奖。其中三磷酸腺苷(ATP)的结构式如下图：   下列关于ATP的说法正确的是（　） A．是一种高分子化合物　　　　　　　　　　　　　　　　  B．相对分子质量为507g/mol C．是一种蛋白质　　　　　　　　　　　　　　　　　　　　    D．化学式为C10H16O13N5P3