Many G Protein-Coupled Receptors Contain Seven Transmembrane α-Helical Domains

question 35

Multiple Choice

Many G protein-coupled receptors contain seven transmembrane α-helical domains. If the amino terminus of such a protein is located on the extracellular side of the membrane, where would you expect to find the carboxyl terminus of the protein?

• A) at the exterior surface of the plasma membrane
• B) at the cytosolic surface of the plasma membrane
• C) covalently bound to the amino end of the protein
• D) embedded in the phospholipid bilayer of the membrane

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