Molecular 2

3. ingestion of large particles
6. Active transport: energy is derived directly from breakdown of ATP; transport against gradient
7. proteins: bind to specific molecules, undergo conformational changes and allow the molecule to pass
9. secretion: secretory proteins signaled to eject substances such as hormones to cell exterior
11. simultaneous transport of 2 substances across a membrane in the same direction
13. net movement of water across a membrane
16. Channels: mediate passage of charged particles across the membrane
17. Channel's ________ minimum membrane potential that causes opening of channel
18. ______ solution: less solutes than cell
20. Active transport: energy provided by the concentration gradient of the driving ion
22. simultaneous transport of 2 substances in opposite directions against the gradient
23. ______ transport molecules move against the concentration gradient using ATP
24. channels open in response to chemical binding
26. ______ solution: same amount of solutes as cell

1. _______ solution: more solutes than cell
2. ingestion of small or liquid particles
4. channels that water pass through
5. open pores in the membrane allowing small molecules to pass
7. one molecule moves allows another to move in same direction against gradient
8. molecules move down its concentration gradient
10. diffusion through carriers or transporters
12. for facilitated diffusion, the rate cannot rise greater than the _____ of the carrier protein
14. diffusion through the lipid bilayer
15. Transport:across the cell from one EFC compartment to another; active on one side, simple on the other
19. secretion: no signaling sequence; cells ejecting proteins out of cell through transport vesicle
21. Channels: present in plasma membrane of excitable cells
25. transport of 2 substances in opposite directions