细胞膜结构与功能 Membrane Structure and Function.ppt

* * Figure 7.20 Endocytosis in animal cells—receptor-mediated endocytosis * * * * * * * Figure 7.14 The contractile vacuole of Paramecium: an evolutionary adaptation for osmoregulation * * * For the Cell Biology Video Water Movement through an Aquaporin, go to Animation and Video Files. * Figure 7.15 Two types of transport proteins that carry out facilitated diffusion * * * * * For the Cell Biology Video Na+/K+ATPase Cycle, go to Animation and Video Files. * Figure 7.16, 1 The sodium-potassium pump: a specific case of active transport * Figure 7.16, 2 The sodium-potassium pump: a specific case of active transport * Figure 7.16, 3 The sodium-potassium pump: a specific case of active transport * Figure 7.16, 4 The sodium-potassium pump: a specific case of active transport * Figure 7.16, 5 The sodium-potassium pump: a specific case of active transport * Figure 7.16, 6 The sodium-potassium pump: a specific case of active transport * Figure 7.16, 1–6 The sodium-potassium pump: a specific case of active transport * Figure 7.17 Review: passive and active transport * * * * Figure 7.18 An electrogenic pump * * Figure 7.19 Cotransport: active transport driven by a concentration gradient * * * * For the Cell Biology Video Phagocytosis in Action, go to Animation and Video Files. * Figure 7.20 Endocytosis in animal cells * Figure 7.20 Endocytosis in animal cells—phagocytosis * * Figure 7.20 Endocytosis in animal cells—pinocytosis * Figure 7.5 The fluidity of membranes * Figure 7.5a The fluidity of membranes * Figure 7.6 Do membrane proteins move? * * Figure 7.5b The fluidity of membranes * * Figure 7.5c The fluidity of membranes * * Figure 7.7 The detailed structure of an animal cell’s plasma membrane, in a cutaway view * * Figure 7.8 The structure of a transmembrane protein * * Figure 7.9 Some functions of membrane proteins * Figure 7.9a–c Some functions of membrane proteins * Figure 7.9d–f Some functions of membrane proteins * * * Figure 7.10 Synthesis of membrane components