生物科技PPT模板.ppt

南京九校一年三班之 走进细胞世界,讲授内容,Click to add title in here,Click to add title in here,Click to add title in here,Click to add title in here,4,1,2,3,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,一. 细胞发展史,秦汉时期,1590年,1665年,17世纪前,尔雅记载了590多种动物和植物，并纳入一定的分类系统。,人们试图回答植物和动物的组成，但受观察工具的限制。,一位荷兰人用两块透镜制造出了第一台显微镜。,英国科学家胡克用自制的显微镜发现了细胞。,细胞学说,19世纪40年代：德国科学家施莱登和施旺 提出了“细胞学说”。,施旺,施莱登,细胞学说,动物和植物都是由细胞构成的； 细胞是生物体结构很功能的基本单位； 细胞是由细胞分裂产生的。,二. 认识细胞,1. 细胞的形状 有圆的、立方形的、柱形的、菱形的、多边形的等多种形状。,细胞的形态,酵母菌,植物纤维细胞,植物表皮细胞,精子,二. 认识细胞,2. 细胞的大小 细胞一般很小，只有一到几十微米之间。,细胞的大小,各类细胞大小的比较,例外，如卵细胞就特别大，鸵鸟卵细胞直径为5 cm，鸡卵细胞为23 cm，人卵细胞为200 m；有些神经细胞的突起可长达1 m，但细胞体的直径不会超过100 m；小型白细胞的直径只有34 m，人的红细胞的直径为7 m。,3. 细胞的结构动物细胞,二. 认识细胞,细胞膜,细胞核,细胞质,作用：保护细胞并控制细胞 与外界之间物质交换,作用：内含遗传物质，起 传宗接代作用,作用：许多生命活动的场所,细胞壁保护和支持细胞作用,叶绿体内含叶绿素，是光合作用的场所,液泡内有细胞液,细胞膜,细胞质,细胞核,3. 细胞的结构植物细胞,二. 认识细胞,动植物细胞结构有何不同？,叶绿体,植物,动物,液泡,细胞壁,细胞核,细胞质,细胞膜,无,无,无,有,有,有,有,有,有,有,有,有,讨论：,任务：“小小侦探家”,公安部得到一份生物作品，从外形上分辨不出该样品是取自植物还是动物，你能否用学过的知识将它鉴定出来？,1、樟树的茎能够直立与植物细胞中的什么结构有关？,2、植物的叶为什么通常是绿色的？,思考,细胞中的细胞壁由纤维素组成，具有保护和支持细胞的作用，使植物细胞有一定的形状。,植物的叶片细胞中具有叶绿体，内含叶绿素。,三. 细胞生长,生物体生长发育的过程中生长、繁殖、衰老、死亡。,分裂,成年人全身细胞总数约 1012个。 细胞种类有200 多种。这么多种类细胞均来自一个受精卵。,有丝分裂,分化,成年人全身细胞总数约 1012个。 细胞种类有200 多种。这么多种类细胞均来自一个受精卵。,有丝分裂,分化,神经细胞,红细胞,肌肉细胞,上皮组织细胞,功能：光合作用,功能：保护功能,功能：贮藏营养物质,总结：同一植物体的这些细胞也都来自一群彼此 相似的早期胚细胞。,Click to edit title style,Text in here,Text in here,Contents,Contents,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Description of the contents Description of the contents,Description of the business,Description of the business,Description of the business,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Description of the contents,Description of the contents,Click to edit title style,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Add your text,Add your text,Add your text,Add your text,Add your text,Add your text,Click to edit title style,2005,2006,2007,2008,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Click to edit title style,Description of the contents,Text in here,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Text in here,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Text in here,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Text in here,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Click to edit title style,Contents01,Contents02,Contents03,Contents04,Contents05,Contents06,0% 20% 40% 60% 80% 100%,18.5%,17.5%,8.7%,23.6%,63.6%,84.3%,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Click to edit title style,Text in here,Text in here,Text in here,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Click to add Text,Click to edit title style,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Title in here,2. Description of the companys sub contents,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,1. Description of the companys sub contents,Click to edit title style,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Title in here,Title in here,Title in here,Title in here,A,B,C,D,Click to edit title style,Description of the contents,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Title in here,Title in here,Title in here,Click to edit title style,Text in here,Text in here,Text in here,Text in here,Text in here,Text in here,Text in here,Text in here,Contents,Contents,Contents,Contents,Contents,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Click to edit title style,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Description of the contents Description of the contents,Description of the contents Description of the contents,Description of the contents Description of the contents,Content Title,Content Title,Content Title,Click to edit title style,Please write down of a slogan for a vision of a company in shortly.,Please write down of a slogan for a vision of a company in shortly.,Please write down of a slogan for a vision of a company in shortly.,Please write down of a slogan for a vision of a company in shortly.,Vision 01,Vision 03,Vision 02,Vision 04,Company LOGO,Click to edit title style,Click to edit title style,Title in here,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Description of the contents,Description of the contents,Description of the contents,Description of the contents,Title in here,Title in here,Title in here,Service 01,Service 02,Service 03,LOGO,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Click to edit title style,Click to edit title style,Title in here,Add Title,Add Title,Add Title,Add Title,Description of the contents Description of the contents,Description of the contents Description of the contents,Text in here,Text in here,Text in here,Text in here,Description of the contents Description of the contents,Description of the contents Description of the contents,Click to edit title style,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Title,Text in here,Text in here,Text in here,Text in here,Click to edit title style,Growth,Start,Jump,2008 2007 2006,2005 2004 2003,2002 2001 2000,Description of the contents Description of the contents Description of the contents,Description of the contents Description of the contents Description of the contents,Description of the contents Description of the contents Description of the contents,Description of the contents,Description of the companys products Description of the companys business Description of the companys technology,Description of the companys products Description of the companys business Description of the companys technology,Description of the companys products Description of the companys business Description of the companys technology,Description of the companys products Description of the companys business Description of the companys technology,Description of the contents,Description of the contents,Description of the contents,Description of the contents,Click to edit title style,Click to edit title style,Add Your Text,Add Your Text,Add Your Text,Add Your Text,Add Your Text,Text,Text,Text,Text,Text,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Click to edit title style,Text in here,Title in here,Text in here,Text in here,2005,2006,2007,2008,Description of the contents Description of the contents,Description of the contents Description of the contents,Description of the contents Description of the contents,Description of the contents Description of the contents,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Click to edit title style,2005,2006,2007,2007 statistics title,2007 statistics title,(unit : %),(unit : %),* 2007 Statistics agency statistics,* 2007 Statistics agency statistics,50%,2005,2006,2007,90%,15%,96%,35%,70%,Contents of the product, and please fill it out.,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,Click to edit title style,ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.,80%,50%,30%,20%,Title in here,Title