复旦大学：《医学细胞生物学 Medical Cell Biology》课程教学资源（PPT课件讲稿）细胞基本结构（1/3）

细胞的基本结构

细胞的基本结构

■光镜下真核细胞可分为细胞膜(Cell Membrane)、细胞质( cytoplasm)、细 胞核( nucleus

◼ 光镜下真核细胞可分为细胞膜（Cell Membrane ）、细胞质（cytoplasm）、细 胞核（nucleus）

Microvillus ∠ Microfilament Centriole Nucleus 7 Ribosomes Smooth endoplasmic reticulum Mitoc hondrion Rough endoplasmic reticulum Plasma membrane Golgi apparatus Lysosome

Cell membrane ■细胞膜 cell membrane ■质膜 plasma membrane

Cell Membrane ◼ 细胞膜 cell membrane ◼ 质膜 plasma membrane

a The outer membrane boundary of the cell a It protects the cell, gives it shape and controls materials transport, detects and transmits signal a The most important character of cell membrane is selective permeable ( semipermeability

◼ The outer membrane boundary of the cell. ◼ It protects the cell , gives it shape and controls materials transport , detects and transmits signal. ◼ The most important character of cell membrane is selective permeable ( semipermeability )

Hydrophiic molecule Hydrophobic molecule

■膜性结构 membranous structure ■细胞内膜系统 endomembrane system Compartmentalization区域化 生物膜 biological membrane ■单位膜 unit membrane

◼ 膜性结构 membranous structure ◼ 细胞内膜系统 endomembrane system ◼ Compartmentalization 区域化 ◼ 生物膜 biological membrane ◼ 单位膜 unit membrane

unit membrane

unit membrane

细胞膜的化学成分

细胞膜的化学成分

■ Lipid ■ Protein ■ Carbohydrate ■化学成分的比例可出现较大差异

◼ Lipid ◼ Protein ◼ Carbohydrate ◼ 化学成分的比例可出现较大差异