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