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如图表示研究生长素在玉米胚芽鞘中运输的实验琼脂块甲和琼脂块乙位置如图所示．下表是琼脂块收集到的生长素相对量�暗单侧光照甲2133乙7967 Template






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tomski如图表示研究生长素在玉米胚芽鞘中运输的实验琼脂块甲和琼脂块乙位置如图所示．下表是琼脂块收集到的生长素相对量�暗单侧光照甲2133乙7967 coloring
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生长素的现过程 1达尔文的植物幼苗胚芽鞘的光性实验 实验一如图甲所示用小纸盒罩住幼苗在小纸盒的一侧挖一小孔用光照射培养一 sketch template
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学家研究不同浓度的生长素对植物不同器官的作用效果研究结果如图所示．1分析右图内容你可得到的结论是 ．2由于植物体内的生长素含量 sketch template
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题目如图为植物体中生长素极性运输化学渗透模型示意图其中abc为细胞膜上三种蛋白质IAA 和IAAH是生长素在细胞中的两种存在状态 sketch template
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2．右图表示生长素浓度与植物生长的关系下列描述部位与P点对应正确的是 A．胚芽鞘光弯曲生长时尖端下部的背光侧 B．植株横置时茎生长部位 sketch template
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题目左图表示不同生长素浓度对胚芽鞘生长的作用右图表示将含有生长素的琼脂块放在切去尖端胚芽鞘的一侧胚芽鞘弯曲的情况下列据图分析错误的是 sketch template
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如图表示研究生长素在玉米胚芽鞘中运输的实验琼脂块甲和琼脂块乙位置如图所示．下表是琼脂块收集到的生长素相对量暗单侧光照甲2133乙7967 sketch template
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百度教育 sketch template
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图4表示植物生长单位长度所需时间与生长素浓度的关系那么 A在单侧光的作用下若胚芽鞘生长素浓度光侧为a则背光为b B将植物体水平放置 sketch template
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在植物生长素的早期研究中达尔文父子做出下列实验如图所示这些实验的结论是 A．顶端合成天然生长素 B．顶端合成长生素不需要光光 sketch template
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如图表示植物的不同器官对生长素的反应据图回答1图中促进植物根茎生长的最适浓度依次为10 10mol．L 110 4mol．L 1 sketch template
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如图表示研究生长素在玉米胚芽鞘中运输的实验琼脂块甲和琼脂块乙位置如图所示．下表是琼脂块收集到的生长素相对量暗单侧光照甲2133乙7967 sketch template
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关于植物生长素达尔文温特等学家相继进行了长期的具体研究某同学对植物生长素有非常浓厚的研究兴趣并设计了如下的两个实验 1实验一 sketch template
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题目如图表示植物生长单位长度所需时间与生长素浓度的关系下列叙述正确的是A在单侧光作用下若胚芽鞘光侧生长素浓度为a点对应的生长素浓度 sketch template
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在现生长素的研究历程中詹森用实验证实胚芽鞘尖端产生的影响可以通过琼脂传递到尖端下部他随后还做了进一步的实验更加肯定了该影响为化学信号的 sketch template
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题目如图表示植物生长单位长度所需时间与生长素浓度的关系下列叙述正确的是A在单侧光作用下若胚芽鞘光侧生长素浓度为a点对应的生长素浓度 sketch template
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如图表示研究生长素在玉米胚芽鞘中运输的实验琼脂块甲和琼脂块乙位置如图所示．下表是琼脂块收集到的生长素相对量暗单侧光照甲2133乙7967 sketch template
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题目玉米种子在暗中萌测定胚芽鞘与幼根中各部分生长素含量如图A所示．切除玉米胚芽鞘的顶端然后在其左侧放置含有不同浓度生长素的琼脂块 sketch template
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右下图表示研究生长素在玉米胚芽鞘中运输的实验琼脂块甲和乙位置如图所示下表是验装置在暗中和单侧光照时琼脂块甲和乙中生长索的相对量该实验 sketch template
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如图所示图甲表示胚芽鞘受到单侧光的照射图乙表示不同浓度生长素溶液对胚芽鞘生长的影响如果图甲中b处的生长素浓度为m则a处生长素浓度X的 sketch template
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下面两组实验示意图表示生长素现的实验据图判断下列说法正确的是 A．图a是达尔文的光性实验图b是1928年荷兰学家温特的琼脂块实验 B sketch template
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某小组开展“探究生长素类似物促进插条生根的最适浓度 课题研究在制定实验方案过程中下列哪一项可以不考 A．蒸馏水处理作为对照 B．配置一 sketch template
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根 智汇三农 sketch template
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关于植物生长素达尔文温特等学家相继进行了长期的具体研究某同学对植物生长素有非常浓厚的研究兴趣并设计了如下的两个实验 1实验一 sketch template
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为探究单侧光是使胚芽鞘尖端的生长素转移了，还是将生长素分解了，某研究性课题小组设计了下图所示实验图1中的琼脂块一段时间后放置到图2去掉尖端的 sketch template
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玉米为常见的粮食作物图1是玉米有性生殖及个体育过程示意图请结合下图回答有关问题 1在图1中维持玉米前后代体细胞染色体数目恒定的 sketch template
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下图表示有关生长素的一项实验经过一段时间后图中甲乙丙丁四个切去尖端的胚芽鞘中弯曲程度最大的是 A．甲B．乙C．丙D．丁——青夏 sketch template
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玉米为常见的粮食作物图1是玉米有性生殖及个体育过程示意图请结合下图回答有关问题 1在图1中维持玉米前后代体细胞染色体数目恒定的 sketch template
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玉米为常见的粮食作物图1是玉米有性生殖及个体育过程示意图请结合下图回答有关问题 1在图1中维持玉米前后代体细胞染色体数目恒定的 sketch template
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10．如图所示植物a端为形态学上端植物的b端叫做形态学下端请回答当植物正常生长时a端将 生长b端将 生长当植物水平放置时a端将 sketch template
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