图1中的X、Y、Z是图2细胞中的三种化合物,请据图回答下列问题:(1)若X表示图2中最重要的能源物质,则X

2025-03-14 05:05:50
推荐回答(1个)
回答(1):

(1)如果X是图2重要能源物质,X是葡萄糖;胃腺细胞分泌为蛋白酶;细胞膜具有一定的流动性,是细胞通过胞吐方式分泌物质的基础.
(2)细胞膜的主要组成成分是蛋白质和磷脂,则Z表示磷脂,鉴定Y蛋白质常用试剂为双缩脲试剂.
(3)1是线粒体线粒体含有的由C、H、O、N、P组成的化合物有DNA、RNA、ATP、ADP、磷脂等.
(4)小肠绒毛上皮细胞吸收葡萄糖的方式是主动运输,需要载体蛋白质的协助,在载体运输葡萄糖的过程中需要ATP水解提供能量,ATP的水解反应式为ATP
ADP+Pi+能量.
故答案为:
(1)葡萄糖   胃蛋白酶    结构上具有流动性,有利于胞吐
(2)磷脂    双缩脲试剂
(3)DNA、RNA、ATP、ADP、磷脂
(4)运输葡萄糖的载体     ATP
ADP+Pi+能量

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