Cholesterol molecules embedded in this structure regulate its mobility.
Mucins in digestive tracts interact regularly with this structure. This structure is referred to as the sarcolemma in muscle cells. Cholesterol molecules embedded in this structure regulate its mobility. Proteins embedded in this structure include the sodium-potassium pump. It is described by the fluid mosaic model. For 10 points, name this layer made of phospholipids that separates the cytosol of a cell from its environment.
Mucins in digestive tracts interact regularly with this structure.
{plasma membrane} [or cell {membrane}; prompt on {membrane}; do not accept "{cell wall}"]