Membrane & Transport

2. Phospholipids arrange in the cell membrane to form a _____.
3. The type of passive transport that moves large or charged molecules with help from a membrane protein
6. The type of molecule that makes up the majority of the cell membrane
10. A category of transport that requires ATP energy
12. The type of passive transport that moves small and uncharged molecules across the membrane
13. A molecule found on the outside of the cell membrane that works to identify the cell
16. A type of active transport, where the cell membrane will physically engulf especially large molecules to move them inside the cell.
17. The energy molecule that powers a protein to complete active transport
19. Transport of molecules in and out of the cell helps the cell maintain an internal balance called....

1. A molecule in the membrane that helps move materials that cannot get through on their own
4. A molecule found in the membrane to help maintain flexibility
5. A type of active transport, where the cell membrane forms a vesicle around molecules in the cell and pushes them out
7. Passive transport moves molecules from an area of ___ concentration to low concentration.
8. The structure of the cell that is in control of enters and exits the cell
9. A characteristic of the fatty acid tails of the phospholipid that makes them tuck inside the membrane
11. Molecules that are large and/or ___ have a hard time moving through the membrane alone.
14. Active transport moves molecules ____ the concentration gradient
15. Meaning to love water
17. ___ cells contain a cell membrane
18. A main difference between passive and active transport. Passive does not need ____ and active does need ____.