OUTSIDf OF CE B。 a ④G④ 5 G Plasma/ Concentration for s and +i s(5 ③③ 4 6③∞ 5 CYTOPLASM FIGURE 6.9 Hypothetical model for secondary active transport. The energy that drives the process has been stored in a Af H:(symbolized by the red arrow on the dient (left-hand red arrow).(A) In the initial conformation, the binding sites on the m图Fm日n累mpa trird a molecule of to the cell's interior restores the orig/,(D)A-e that obe lectio s bound.(c)The binding of s causes another conformational ch carrier and allows a new pumping cycle to beggin Figure 2-6 2-4 (B) Antiport OUTSIDE OFCELL FIGURE 6.10 Two examples of secondary High tons spared by a proton moving back into cenl inate llect to the active transport of a uStr ) out of the cell In both casa the suhstrate LDv under cons ideation is eay inst entia bott ①(A Electrochemical neutral and charged sub potential gradient cYToPLaSM of stialormigont transported by such secondary active Electron strate B ranpo Procesor
Figure 2-6 2-4 D
outside of cell 2.The electrochemical gradient causes K+ to enter by way of a 1. An ATP-driven channel protein ump transports out of the cell H (H+ (H H ) K K (H+) ADP+(P G ATP ( 3. Negatively charged ions (I) are trans orted along with to the cell. inside of cell Figure 2-5 H-Pump transport solutes processes
Figure 2-5 H+ -Pump transport solutes processes