经载体的易化扩散 ①specificity (特异性) 膜外 载体蛋白质 2competitive inhibition (竞争性抑制) 必女》必座如州 ③saturation (饱和现象) 膜内
经载体的易化扩散 ①specificity (特异性) ②competitive inhibition (竞争性抑制) ③saturation (饱和现象)
Active Transport(主动转运) The movement of substances across the membrane occurs against the concentration gradient or electrochemical gradient with the necessity of consumption of energy. 指物质逆浓度梯度或电位梯度的转运过程 Trans- Symport Antiport Classification: Carrier ported molecule ion Primary active transport (原发性主动转运) Secondary active ransport 〔继发性主动转运) Energy Coupled transport Active transport
Active Transport (主动转运) 指物质逆浓度梯度或电位梯度的转运过程 The movement of substances across the membrane occurs against the concentration gradient or electrochemical gradient with the necessity of consumption of energy. Classification: Primary active transport (原发性主动转运) Secondary active ransport (继发性主动转运)
原发性主动转运 Making direct use of enery derived from ATP to transport the ions across to the cell membrane. 直接利用能量逆浓度梯度或电化学梯度的物质转运 Na+-K+pump Ca2+-Mg2+pump H+-K+pump
原发性主动转运 Making direct use of enery derived from ATP to transport the ions across to the cell membrane. Na+-K+ pump Ca2+-Mg2+ pump H+-K+ pump 直接利用能量逆浓度梯度或电化学梯度的物质转运
钠钾泵 Na+-K+泵又称Na+-K+-ATPase,简称钠泵 N 破 a 膜外 心通道 1+ 膜内
Na+-K+泵又称Na+-K+-ATPase，简称钠泵 钠 钾 泵
入胞与出胞 分泌囊泡 细菌 吞噬体 内质网 溶酶体 0 Endocytosis(入胞) Exocytosis(出胞)
入胞与出胞 Endocytosis(入胞) Exocytosis(出胞)