It was modeled in 3D Studio Max 6
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It's a phospholipid bilayer jam packed with transmembrane proteins and cholesterol!
Cotransport system. ATP triggers the proton pump to pump H+ out, and then the cotransporter grabs the H+ back in with a sucrose molecule.
Sodium/Potassium pump. Sodium ions causes ATP to split up into ADP and a phosphate which attaches to the protein. The phosphate triggers the protein to change shape and release the sodium ions. The shape change causes Potassium ions to bind to the protein.
The potassium ions cause the phosphate group to release, causing the protein to change shape back into one that accepts sodium ions.