Below are descriptions of different membrane-associated proteins. For each descr

Question

Below are descriptions of different membrane-associated proteins. For each description, write the most appropriate name given to that type of structure. A protein the crosses both layers of the plasma membrane:____ A channel protein that allows water to flow in and out of a cell:____ A protein that binds to a solute to facilitate its passive transport:____ A protein that couples the favorable passive transport of one solute with the unfavorable active transport of another solute:_____ A channel protein that acts as a pore to facilitate transport of ions:_____ A membrane protein with a polysaccharide attached:_____

Explanation / Answer

1. A protein that crosses both layers of plasma membrane- Transmembrane proteins.

2. A channel protein that allows water to flow in and out of a cell- Aquaporins.

3. A protein that binds to a solute to facilitate its passive transport- Carrier Proteins.

4. A protein that couples the favorable passive transport of one solute with the unfavourable active trasnport of another solute- Coupled carriers.

5. A channel protein that acts as a pore to facilitate transport of ions- Ion channels Proteins, (These are of two types- ligand gated ion channels and voltage gated ion channels.)

6. A membrane protein with a polysaccharide attached- Glycoproteins.

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