Carrier proteins change shape when a substance binds to them, facilitating the substance's movement across the cell membrane.
This card describes carrier proteins as changing shape upon substance binding, which moves the substance across the cell membrane.
| Front | Carrier proteins |
|---|---|
| Back | When a substance binds to these proteins, there is a change in the shape of the protein. This change in shape moves the substance from the outside of the cell to the inside. |
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