Transport Across Membranes

Transport Across Membranes

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10     11                  


1. The process of moving molecules using energy.
4. A molecule present in the cell membrane which can form a channel.
5. Double layer of these molecules in the cell membrane.
6. The structure in a cell responsible for controlling what molecules enter and leave.
7. The state of a cell when the contents have shrunk so far that the membrane has been pulled away from the wall.
8. Term used to describe how strong or weak a solution may be.
10. Movement of molecules from a region of high concentration to a region of low concentration.


2. Molecule used to transport a substance across a cell membrane against the concentration gradient.
3. The state of a cell when it is full of water and is tight.
9. The movement of water from a region of high water concentration to a region of low water concentration across a selectively permeable membrane.
11. The state of a cell when it has lost water and become soft.