题目

能增大细胞内膜面积,并能够作为细胞内蛋白质通道的细胞器是A. 核糖体 B. 线粒体 C. 中心体 D. 内质网 答案:【答案】D【解析】内质网能增大细胞内膜面积,其上附着有核糖体,能够对核糖体合成的蛋白质进行加工,然后通过囊泡输送到高尔基体,因此可以作为细胞内蛋白质的通道,D正确。根据句意选择合适的单词填空。【1】We go ____(shop) and see Father Christmas.【2】We put some pretty ____(thing) on the Christmas tree.【3】_____ you good at _____(dance)?【4】I like _____(make) cards with my family.【5】_____(not) jump up, little dog.【6】Ben likes these ____(card) very much.【7】Mr. White____(go) to work on foot every day.【8】Wang Bing usually _____(visit) his grandparents on Saturdays.【9】____(final), they go home together.【10】Let's ____(take) the bird to the forest.
生物 试题推荐