Proteins of this type can be either integral or peripheral. For 10 points each:
[10m] Name this kind of protein that is embedded in a namesake cellular structure. They include ion channels and other transporters.
ANSWER: membrane proteins [accept transmembrane proteins]
[10h] This amino acid names a group of ion channel membrane proteins. That group includes nicotinic acetylcholine and GABA receptor proteins, where two residues of this amino acid form a namesake loop with a disulfide bond.
ANSWER: cysteine [or Cys; or C; accept cys-loop receptor proteins]
[10e] A ubiquitous transmembrane protein is the pump named for these two elements. The pump uses ATP to transport these two metal cations in a two-to-three ratio.
ANSWER: sodium-potassium pump [accept Na and K]
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