Question

most receptor proteins are embedded in the __________ of the cell membrane. a lipid bilayer b protein matrix c sodium channels d cholesterol sites

Explanation:

The cell - membrane structure is a lipid bilayer. Receptor proteins are embedded in this lipid bilayer to perform their functions such as signal - transduction. The lipid bilayer provides a suitable environment for the proteins to be inserted and function properly.

Answer:

A. lipid bilayer