All of the following are found associated with the cell membrane EXCEPT ________.

A) channel proteins
B) phospholipids
C) carrier proteins
D) all of the above

Channel Proteins

Proteins embedded in the cell membrane that allow specific ions or molecules to pass through.

Carrier Proteins

Types of proteins that transport substances across a cell membrane by changing shape or binding and releasing the molecules.

Phospholipids

A class of lipids forming the major component of all cell membranes, characterized by a hydrophilic head and two hydrophobic tails.