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14．某同学提取得到叶绿体色素溶液后取一圆形滤纸在滤纸中央滴一滴色素提取液再滴一滴层析液色素随层析液扩散得到下图结果则1234 Template






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sketch 5039
sketch 1082 Seher 6 years
sketch 3410
sketch 1927
sketch 3457
sketch 3155 Iron Man
sketch 4915 Marshall Lee Gopal Gopi
sketch 4834 Aayla Secura by Nînâ Yämâhä

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sketch 4176 Eye by Jawad Kallou
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sketch 3562 Angry by Leon Soria Ricardo
sketch 3039 Anonymous by Gootee Jaroonsit
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sketch 672 Snails pace





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tomski14．某同学提取得到叶绿体色素溶液后取一圆形滤纸在滤纸中央滴一滴色素提取液再滴一滴层析液色素随层析液扩散得到下图结果则1234 coloring
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为研究高光照对移栽幼苗光合色素的影响某同学用无水乙醇提取叶绿体色素用石油醚进行纸层析如图为滤纸层析的结果ⅠⅡⅢⅣ为色素条带 sketch template
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某同学提取得到叶绿体色素溶液后取一圆形滤纸在滤纸中央滴一滴色素提取液再滴一滴层析液色素随层析液扩散得到下图结果则1234四条色 sketch template
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高中生物 叶绿体中色素的提取和分离 sketch template
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14．某同学提取得到叶绿体色素溶液后取一圆形滤纸在滤纸中央滴一滴色素提取液再滴一滴层析液色素随层析液扩散得到下图结果则1234 sketch template
view template
某同学得到叶绿体色素溶液后取一圆形滤纸在滤纸中央滴一滴色素提取液再滴一滴层析液色素随层析液扩散得到如下图所示的结果则1234四条色素 sketch template
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右图表示某同学做“叶绿体中色素的提取和分离 的实验改进装置下列叙述错误 的是 A．应培养皿中倒入层析液zxxk B．应将滤液滴在a处而 sketch template
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下图表示某同学做“叶绿体中色素的提取和分离 的实验改进装置下列叙述错误的是 A．应该培养皿中倒入层析液 B．应将滤液滴在a处而不 sketch template
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用丙酮研磨法提取叶绿体中色素和纸层析法分离叶绿体中色素的实验结果只能够验证该实验材料 叶绿体中色素分布在类囊体结构薄膜上 叶绿体中色素的 sketch template
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为研究高光照对移栽幼苗光合色素的影响某同学用无水乙醇提取叶绿体色素用石油醚进行纸层析如图为滤纸层析的结果ⅠⅡⅢⅣ为色素条带 sketch template
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某同学在做提取叶绿体中色素的实验时收集到的色素提取液为淡绿色分析产生该结果的可能原因是 研磨不充分色素未能充——青夏教育精英家教—— sketch template
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某同学得到叶绿体色素滤液后取一圆形滤纸在滤纸中央滴一滴色素滤液再滴一滴层析液色素随层析液扩散得到如下图所示的结果下列有关说法错误的是 sketch template
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某同学用显微镜观察下列生物中的细胞现有细胞壁叶绿体等结构由此可判断该生物是 A．水稻 B．变形虫 C．苍蝇 D．家兔——青夏教育 sketch template
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如图表示叶绿体色素提取分离实验中纸层析的结果据图判断用作实验材料的叶片颜色为A．红色 B．黄色 C．绿色 D．紫色 题目和参考答案——青夏 sketch template
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为研究高光强对移栽幼苗光合色素的影响某同学用乙醇提取叶绿体色素并层析层析结果如图ⅠⅡⅢⅣ为色素条带．下列相关叙述错误的是 A sketch template
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下图为高等绿色植物光合作用图解以下说法正确的是 A．是光合色素分布在叶绿体和细胞质基质中 B．是氧气可参与有氧吸 C．是 sketch template
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题目某同学欲测定植物叶片叶绿体的光合作用速率作如图所示实验．在叶柄基部作环剥处理仅限制叶片有机物的输入和输出于不同时间分别在同一 sketch template
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下面是四位同学实验操作的方法或结果其中正确的一项是 A观察DNA和RNA分布的实验中盐酸可使染色体的DNA和蛋白质水解B提取 sketch template
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某同学在进行“绿叶中色素的提取和分离 实验时进行了以下操作该同学的操作有误的是A．将5g新鲜菠菜叶片剪碎放入研钵中加入无水乙醇后直接进行 sketch template
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为研究强光照对移栽幼苗光合色素的影响某同学用乙醇提取叶绿体色素用石油醚进行纸层析如图为滤纸层析的结果IIIIIIIV为色素条带 sketch template
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某同学用紫色洋进行一系列实验下图1为洋纵切面示意图请据图回答l进行“提取和分离叶绿体中色素 实验时应取图1中的Ⅰ部分作实验材料 sketch template
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如图表示某同学做“绿叶中色素的提取和分离 实验的改进装置．下列与之有关的叙述中正确的是 A．应使用新鲜的菠菜叶片与酒精共同研磨得到提取液 sketch template
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某同学在进行“绿叶中色素的提取和分离 实验时进行了以下操作该同学的操作有误的是A．将5g新鲜菠菜叶片剪碎放入研钵中加入无水乙醇后直接进行 sketch template
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下列实验操作方法或结果中正确的是 A．西瓜汁中含有丰富的萄糖和果糖可用作还原糖鉴定的理想材料 B．提取叶绿体中色素的方法是利用色素在滤纸 sketch template
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某同学将马铃薯磨碎过滤得到提取液进行以下实验．Ⅰ．在30℃的条件下取等量提取液分别加到4支盛有等量过氧化氢溶液pH分别为3579的 sketch template
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某同学用青菜叶做叶绿素体中色素的提取与分离实验时层析后的滤纸条上观察不到四条色素带其原因最可能是 A层析液没及了滤液细线 B划滤液细线 sketch template
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12．某同学用新鲜的韭菜进行“叶绿体中色素的提取和分离 实验在滤纸上出现了四条清晰的色素带其中蓝绿色的色素带是 A．叶绿素a B．叶绿素 sketch template
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某同学提取得到叶绿体色素溶液后取一圆形滤纸在滤纸中央滴一滴色素提取液再滴一滴层析液色素随层析液扩散得到下图结果则1234四条色 sketch template
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题目某同学在色素的提取和分离实验中在滤纸中央滴一滴提取液然后进行纸上层析得到四个不同颜色的同心圆其由外内的第三圈的颜色是A 蓝 sketch template
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化学实验探究题 Word文档在线阅读与下载 免费文档 sketch template
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下面是四位同学的实验操作方法或结果其中正确的一项是 A．西瓜汁中含有丰富的萄糖和果糖可用作还原糖鉴定的替代材料 B．提取叶绿体中的色素的 sketch template
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某同学在做色素分离实验过程中积极改进实 验设计了如右图实验由此在吸水纸上得到四个 同心圆试问同心圆的最外层色素圈为 A叶绿素a B sketch template
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如下图表示某同学做“绿叶中色素的提取和分离 实验的改进装置下列与之有关的叙述中错误的是A．应培养皿中倒入一定量的层析液B．应将滤液滴在a sketch template
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某同学设计了一套验证碳酸具有酸性而二氧化碳没有酸性的实验．他首先用紫色石蕊试液浸泡滤纸晒干后折成纸花然后按如图所示分别进行1紫色石蕊 sketch template
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某同学将马铃薯磨碎过滤得到提取液进行以下实验．Ⅰ．在30℃的条件下取等量提取液分别加到4支盛有等量过氧化氢溶液pH分别为3579的 sketch template
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某同学在色素的提取和分离实验中在滤纸中央滴一滴提取液然后进行纸上层析得到四个不同颜色的同心圆．其由外内的第三圈的颜色是 A．蓝绿色 sketch template