Describe the structure of cell membrane of eukaryotic cells?

The cell membrane of eukaryotic cells is composed of a phospholipid bilayer with embedded proteins. The phospholipid bilayer consists of two layers of phospholipid molecules, with the hydrophilic (water-attracting) heads facing outward and the hydrophobic (water-repelling) tails facing inward. This structure creates a barrier that separates the inside of the cell from the outside environment.

Embedded within the phospholipid bilayer are various proteins that serve a variety of functions. Some proteins act as channels or transporters, allowing specific molecules to pass through the membrane. Other proteins act as receptors, binding to specific molecules and triggering cellular responses. Still, other proteins are involved in cell signaling, cell adhesion, and cell recognition.

In addition to phospholipids and proteins, the cell membrane may also contain cholesterol molecules, which help to stabilize the membrane and regulate its fluidity. Carbohydrates may also be attached to proteins or lipids on the outer surface of the membrane, forming glycoproteins and glycolipids that are involved in cell-cell recognition and communication.

Overall, the structure of the cell membrane is dynamic and fluid, allowing for the selective transport of molecules in and out of the cell and facilitating communication and interactions with the external environment.