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【单选题】
下列不属于植物体内蛋白质的功能的是 [ ]A.
构成细胞膜的主要成分之一
B.
催化细胞内化学反应的酶
C.
供给细胞代谢的主要能源物质
D.
根细胞主动运输的载体
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】A．You should try to talk with yourself. B．You should think about people that can help you. C．You should try to draw on a positive imagination. D．You should write down several positive sentences.
【单选题】下列有关细胞色素的叙述哪一项是正确的?
A.
各种细胞色素在呼吸链中排列顺序是 b→C→C1→aa 3 →O 2
B.
都是递电子体
C.
都是递氢体
D.
全部存在于线粒体基质中
【简答题】You should spend about 20 minutes on this task. You are unhappy about a plan to make your local airport bigger and increase the number of flights. You live near the airport. Write a letter to your loc...
【简答题】If you go home late, you should tell your _________ about it.
【简答题】If your children are curious about their country, you should ______.
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