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将一滴草履虫培养液制成临时装片观察下列哪一项是确认出草履虫的依据 A．含叶绿体里面有许多小泡b．身体形状不固定总在生出突起c．身体 Template






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sketch 3919 this is not my best but i did it because it looks very cool
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tomski将一滴草履虫培养液制成临时装片观察下列哪一项是确认出草履虫的依据 a．含叶绿体里面有许多小泡b．身体形状不固定总在生出突起c．身体 coloring
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将一滴草履虫培养液制成临时装片观察下列哪一项是确认出草履虫的依据 A．含叶绿体里面有许多小泡B．身体形状不固定总在生出突起C．身体 sketch template
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小明把钢笔中的碳素墨水滴了许到草履虫培养液中几分钟后制成的临时装片在显微镜下观察现有些草履虫的某结构被染成色这种结构的名称是 sketch template
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在草履虫培养液中加入适量碳素墨水几分钟后将草履虫制成临时装片在显微镜下观察被染成色的结构最可能是 A．伸缩泡B．食物泡C．细胞质D sketch template
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15．取一干净的载玻片在左边滴一滴清水在右边滴一滴含草履虫的培养液然后用玻璃棒将两液滴连通起来一段时间后现草履虫大多聚集在右边若 sketch template
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在观察草履虫的实验中下列说法不正确的是 A．在草履虫培养液的表层吸一滴培养液放在载玻片上观察B．用放大镜观察草履虫是一个个小白点C sketch template
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制作草履虫临时装片时要放几条棉花纤维的作用是 A棉花纤维对草履虫是个伤害性刺激B棉花纤维对草履虫有营养作用C限制草履虫运动速度D sketch template
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在观察草履虫的应激反应实验中现成的材料有盐和糖．请你完成下面的探究报．1提出问题草履虫会趋利避害吗2作出假设草履虫会 sketch template
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小明把钢笔中的碳素墨水滴了许到草履虫培养液中几分钟后制成的临时装片在显微镜下观察现有些草履虫的某结构被染成色这种结构的名称是 sketch template
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题目在“观察草履虫实验 中从培养液的表层吸一滴培养液的原因是 A表层含氧量高草履虫比较集中B表层营养丰富C草履虫有趋光性 sketch template
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在载玻片的A处滴一滴含草履虫的培养液在B处滴一滴酵母菌培养液用吸管划通AB形成连桥观察到草履虫的运动方是 在B处酵母菌培养液外侧 sketch template
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如图为草履虫结构图，请据图回答下列问题：（1）在观察草履虫的实验中，所用的液滴取自培养液的 ，因为该部位培养液含氧丰富。草履虫通过 （填字母 sketch template
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在制作草履虫临时装片的过程中需要在载玻片上的培养液中放几丝棉花目的是 A．限制草履虫运动B．增加营养C．便于计算D．增加温度 题目和 sketch template
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2．为探究草履虫对外界刺激的反应小明在两片载玻片上都滴了两滴相同的草履虫培养液用放大镜观察培养液中的草履虫再用滴管在12号载玻片的两个液 sketch template
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在载玻片两端各滴一滴草履虫培养液并使两滴培养液连通在载玻片右侧培养液的边缘放一小粒食盐．那么草履虫将会 A．右侧培养液移动 B sketch template
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例 为了探究草履虫对刺激作出的反应某同学在载玻片两端分别滴一滴草履虫培养液用解剖针把两滴培养液连通起来在草履虫培养液左侧放许食盐 在 sketch template
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在载玻片的A处滴一滴含草履虫的培养液在B处滴一滴酵母菌培养液用吸管划通AB形成连桥观察到草履虫的运动方是 在B处酵母菌培养液外侧 sketch template
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百度教育 sketch template
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为了限制草履虫的活动在观察草履虫时应在载玻片的培养液上 A放量棉花纤维B多加点清水C滴加碘液D把水吸干 题目和参考答案——青 sketch template
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微生物培养基配制与灭菌方法及步骤 知乎 sketch template
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虽然草履虫的结构很简单但它对外界的刺激能作出反应右图中甲乙表示两块载玻片分别在载玻片两端各滴一滴草履虫培养液并使两滴培养液连通当在 sketch template
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如图A为植物细胞模式图B为草履虫结构示意图．1A图中起支持和保护作用的是图中标号 所示结构液泡是图中标号 所示结构．2B图中草履虫 sketch template
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总结制作临时装片的方法和步骤．1用洁净的纱布把载玻片和盖玻片 ．2在载玻片的中央滴一滴 ．3用消毒牙签在自己漱净的口腔内侧壁上轻轻 sketch template
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题目如图A为植物细胞模式图B为草履虫结构示意图1A图中植物细胞有而草履虫没有的细胞结构是 细胞壁叶绿体 2 sketch template
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草履虫 sketch template
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在草履虫培养液中加入适量碳素墨汁几分钟后将草履虫制成临时装片在显微镜下观察被染成色的结构最可能是A．伸缩泡B．食物泡C．细胞质D．细胞核 sketch template
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草履虫属图册 360百 sketch template
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寄生虫学实验技术 寄生虫学实验诊断技术 寄生虫人工培养 sketch template
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7．制作洋鳞片叶表皮临时装片时在盖玻片一侧加1 2滴红墨水后在另一侧用吸水纸吸水用吸水纸吸水的作用有 吸去过多的水防止盖玻片 sketch template
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2007 2008学年度济宁市邹城县第一学期期中考试七年级生物试题注意事项1本试题分为第I卷和第II卷两部分共4页第I卷2页为选择题 sketch template
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在草履虫的培养液中加入适量碳素墨水几分钟后将草履虫制成临时装片放在显微镜下观察被染成色的结构最可能是 A．表膜B．食物泡C．细胞质D sketch template
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草履虫依靠身体表膜上的 动可以在水中 前进——青夏教育精英家教—— sketch template
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请根据所学实验“观察草履虫 和如图草履虫的结构示意图回答下列问题1从结构上看草履具有4细胞膜7细胞质和11细胞核等基本 sketch template
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如图为草履虫的结构示意图请据图回答有关问题1草履虫以细菌和微小浮游植物为食食物从口沟进入形成图中标号 所示结构随细胞质流动逐渐被 sketch template
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图是制作临时装片的四个步骤这四个步骤的正确顺序应是 A． B． C． D．——青夏教育精英家教—— sketch template
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在草履虫的培养液中加入适量碳素墨水几分钟后将草履虫制成临时装片放在显微镜下观察被染成色的结构最可能是 A．收集管和伸缩泡B．食物泡C sketch template