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植物细胞对矿质离子的吸收之所以具有选择性是与 A．有无这种载体有关 B．溶液中离子的浓度有关 C．溶液的酸碱度有关 D．不同的载体数量有关 Template






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tomski植物细胞对矿质离子的吸收之所以具有选择性是与 a．有无这种载体有关 b．溶液中离子的浓度有关 coloring
view template
下图是植物根从土壤中吸收某矿质离子示意图根据判断该离子跨膜进入根毛细胞的方式为 A．自由扩散 B．协助扩散 C．主动运输 D．被动运输 sketch template
view template
根是如何吸收养分的 sketch template
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图1表示植物从土壤中吸收某矿质离子的示意图图2表示某生物膜的部分结构图中ABCD表示某些物质abcd表示物质跨膜运输方式．请 sketch template
view template
植物细胞对矿质元素的吸收具有选择性是因为 A．土壤溶液中各离子的种类和数量各不相同 B．细胞对各种离子的需求量不同 C．细胞液中离子的 sketch template
view template
下图是植物根从土壤中吸收某矿质离子示意图根据判断该离子跨膜进入根毛细胞的方式为 A．自由扩散 B．协助扩散 C．主动运输 D．被动运输 sketch template
view template
离子吸收 智汇三农 sketch template
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如图是植物根从土壤中吸收某矿质离子示意图据图判断该离子跨膜进入根毛细胞的方式为 A 自由扩散 B 协助扩散 C 主动运输 D sketch template
view template
题目图1表示植物从土壤中吸收某种矿质离子的示意图图2表示某生物膜的部分结构图中ABCD表示某些物质abcd表示物质跨膜 sketch template
view template
下图是植物根从土壤中吸收某矿质离子示意图根据判断该离子跨膜进入根毛细胞的方式为 A．自由扩散 B．协助扩散 C．主动运输 D．被动运输 sketch template
view template
柽柳是泌盐植物叶子和嫩枝可以将吸收到植物体内的盐分排出是强耐盐植物．植物吸收离子可有两种方式主动运输和被动运输．主动运输和被动运输最主要的 sketch template
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植物是怎样吸收和运输水分的？ sketch template
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下图是显微镜下观察到的几种细胞或组织图像请据图回答1学家依据 将细胞分为原核细胞和真核细胞属于原核细胞的是 2图中能进行光合 sketch template
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植物根尖成熟区的主要功能是吸收水分和矿质元素离子．如图表示刚施肥后的根尖成熟区表皮细胞在土壤溶液中的状态．请据图回答1图中根表皮细胞此时 sketch template
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植物细胞对矿质离子的吸收之所以具有选择性与下列哪一项有关 A．外界环境中离子的浓度 B．植物细胞中细胞液的浓度 C．植物细胞中液泡的大小 D sketch template
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植物散 智汇三农 sketch template
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植物细胞对矿质离子的吸收之所以具有选择性是与 A．有无这种载体有关 B．溶液中离子的浓度有关 C．溶液的酸碱度有关 D．不同的载体数量有关 sketch template
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某同学为验证植物的根从土壤溶液中吸收矿质元素和植物的生活需要矿质元素设计了如下实验称取肥沃的土壤100g倒入烧杯加200mL自来水 sketch template
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蔗糖进入植物细胞的方式为协同运输过程如图所示据图分析错误的是 A．质子泵可以水解高能磷酸键B．胞外液体H 浓度大于细胞质C．植物细胞不 sketch template
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第三章 植物的矿质与氮素营养（四） 的太学 sketch template
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下图为某种植物幼苗均分为甲乙两组后在两种不同浓度的KNO3溶液中培养时鲜重的变化情况下列有关叙述错误的是 A．3h时两组幼苗均 sketch template
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植物根尖成熟区的主要功能是吸收水分和矿质元素离子．如图表示刚施肥后的根尖成熟区表皮细胞在土壤溶液中的状态．请据图回答1图中根表皮细胞此时 sketch template
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植物对铵态氮和硝态氮的吸收同化机理简介 搜狐大视野 搜狐新闻 sketch template
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题目下列关于显微镜及其操作的说法中正确的是物镜越长的放大倍数就越大目镜则与之相反对光时光线越强视野就越亮效果也就越好使用高倍 sketch template
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题目如图表示不同条件下植物细胞吸收或外渗离子的情况在正常条件下处于低盐状态的根吸收某一离子时初始几分钟离子流入很快这是因为起初流入的 sketch template
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关于植物细胞通过主动运输方式吸收所需矿质元素离子的叙述正确的是 A吸收不同矿质元素离子的速率都相同B温度会影响矿质元素离子的吸收 sketch template
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19．土壤溶液中的矿质元素要不断被吸收到根细胞内首先要接根的吸收部位再到达吸收细胞的膜表面最后才能通过膜进入细胞这些过程的生基本 sketch template
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23．植物细胞对矿质离子的吸收之所以具有选择性与下列哪一项有关 A．外界环境中离子的浓度 B．植物细胞中细胞液的浓度 C．植物细胞中液泡的 sketch template