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Transport Across Membranes
Transport Across Membranes
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
Check
Across:
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.
Down:
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.
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