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欲研究甲状腺和甲状腺激素的生理作用,某研究小组进行了如下实验,请完善实验步骤并回答相关问题: (l)实验步骤: ①将若干只身体状况相同的健康成年小鼠随机均分为甲、乙、丙、丁四组,其中甲、丙两组设...
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高三下学期生物《》真题及答案
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某科研小组为了解下丘脑与其他内分泌腺之间的功能关系进行了如下实验请根据你所学知识完成实验报告1实验材
为研究某植物生长发育过程中生长素与细胞分裂素之间的相互作用某生物兴趣小组进行了相关实验后绘出了如右图
激素甲是生长素,激素乙是细胞分裂素
高浓度的生长素对侧芽的萌动起抑制作用
高浓度的细胞分裂素对侧芽萌动起促进作用
激素甲和激素乙在植物侧芽生长中起拮抗作用
为探索影响动物体内甲状腺激素水平的相关因素某研究性学习小组做了如下一些研究1取生长正常的成年雄鼠甲对
为探索影响动物体内甲状腺激素水平的诸多相关因素某研究性学习小组做了如下一些实验l实验一取生长正常的成
某科研小组为了解下丘脑与其他内分泌腺之间的功能关系进行了如下实验请根据你所学知识完成实验报告1实验材
某课题研究小组为探究生长素类似物——萘乙酸NAA的生理作用用玉米试管苗进行了相关实验实验数据如下萘乙
某课题研究小组为探究生长素类似物——萘乙酸NAA的生理作用用玉米试管苗进行了相关实验实验数据如下由上
研究小组利用蝌蚪进行甲状腺激素的探究实验具体操作见下表:甲组后来加入甲状腺激素结果又能继续发育下列判
甲状腺能分泌甲状腺激素
甲状腺激素会影响蝌蚪的发育
该实验证明甲状腺是内分泌腺
乙组在实验中起对照作用
某科研小组为了解下丘脑与其他内分泌腺之间的功能关系进行了如下实验请根据你所学知识完成实验报告1实验材
某研究小组利用蝌蚪进行甲状腺激素的探究实验下表是该小组的实验结果记录:甲组后来又在水中加入甲状腺激素
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甲状腺能分泌甲状腺激素
甲状腺激素能影响蝌蚪的发育
乙组在实验中起对照作用
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某科研小组为了解下丘脑与其他内分泌腺之间的功能关系进行了如下实验.请根据你所学知识完成实验报告1实验
07广东卷34.某科研小组为了解下丘脑与其他内分泌腺之间的功能关系进行了如下实验请根据你所学知识完成
07广东卷某科研小组为了解下丘脑与其他内分泌腺之间的功能关系进行了如下实验请根据你所学知识完成实验报
某科研小组为了解下丘脑与其他内分泌腺之间的功能关系进行了如下实验请根据你所学知识完成实验报告1实验材
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某研究者做了如下的实验从刚宰杀的大白鼠体内分离新鲜的下丘脑和脑垂体然后把这些结构单独或一起培养于含有
该项研究是为了研究影响促甲状腺激素分泌的因素
A瓶和E瓶的结果可以说明TSH的分泌部位是垂体
上述结果可以说明促甲状腺激素能够抑制垂体分泌TSH
为了说明下丘脑对垂体分泌TSH的影响时,对照组是B瓶
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