医学科研教学绘图可编辑素材之细胞膜Cell_membrane
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科研绘图素材-细胞知识讲解
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科研绘图素材-细胞PPT参考幻灯片
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临床与科研绘图PPT-—细胞膜——Cell_membran
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ቤተ መጻሕፍቲ ባይዱ
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细胞膜结构示意图可编辑
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医学细胞生物学课件第四章 细胞膜_PPT幻灯片
质
化学组
糖 类
成
不对 称性
生物学特 流动
性
性
英格里虚表
分子结 构模型
磷脂
胆固 醇
脂质
糖脂
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胆固醇(在不同细胞的细胞膜中含量不同）
功能：能够稳定细胞膜，对调节膜的流动性， 加强膜的稳定性有重要作用。 小知识：哺乳动物细胞膜上富含胆固醇，大肠 杆菌质膜则不含胆固醇。
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糖脂
释义：糖脂主要位于质膜的非胞质面是由脂类 和寡糖组成的亲水脂分子。
膜的流动性 能活动的保证和细胞进行生命活动的必须条件。
特点：脂双层为液晶态二维流体，它的组分既有固体分子排列的有序
性，又有液体的流动性，即液晶态，其为细胞膜极为重要的特征。
①侧向扩散
膜脂分子的运动方式
②翻转运动 ③旋转运动
④弯曲运动
①脂肪酸链的饱和程度：饱和度越高，流动性越差
影响流动性的因素
②脂肪酸链的长短：长度越长，流动性越差 ③胆固醇的双重调节作用 ④卵磷脂与鞘磷脂的比值：比值越大，流动性越大
对称分布。
膜蛋白的 不对称性
磷脂虽在脂双层中均有分布， 但含量比例有较大差异，使得 胞内生物膜具有不同的特性和
功能。
膜的不 对称性
膜脂的不 对称性
膜糖的不 对称性
绝对不对称
小结:三者的不对称性与膜功能的不对称性与方向性紧
密相关，膜结构的不对称性保证了膜功能的方向性和
生命活动的高度有序性。
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细胞膜在电镜下呈 现“两暗夹一明”
注：大多数穿膜蛋白穿膜域都是α-螺旋构象，
也有的穿膜蛋白以β-折叠片层构象穿膜，在脂 双层中围成筒状结构，称β筒，有些β筒在质膜返回
膜外在蛋白
科研绘图素材-细胞[研究知识]
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Exocytosis
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Phagocytosis
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医学科研教学绘图可编辑素材之细胞内成分Intracellular_components
Example: Animal cell
Cell membrane
Golgi apparatus Nucleolus Nucleus
Smooth endoplasmic
reticulum
Rough endoplasmic
reticulum
Lysosome Microtubule
Mitochondria Centrosome Ribosome Vacuole
Proteins (2)
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Golgi apparatus
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The Endoplasmic Reticulum
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细胞膜结构绘画教程，狂曳酷炫美美哒
细胞膜结构绘画教程，狂曳酷炫美美哒
今天教大家用AI绘画狂曳酷炫的细胞膜结构，不但能用于绘制信号通路图，还能绘画如外泌体等囊泡结构的元素。
首先打开AI软件，选择椭圆工具绘画出圆形来代表磷脂分子亲水端
添加填充色
利用画笔工具画出疏水端
复制双分子的另一边
将绘制好的磷脂双分子添加至画笔工具
利用工具，绘画出任意曲线，点击刚才的画笔素材，就能获得膜结构啦~
还能进行囊泡结构的绘画
最后添加其他元素和背景，大功告成！
好了，今天的内容到此结束，我们下期再会~。
科研绘图素材细胞
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Phagocytosis
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Endocytosis
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A service provided to medicine byΒιβλιοθήκη Cell membrane
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