The embedded proteins in the plasma membrane have the role of allowing certain substances to pass into the cell.
What is plasma membrane?
- The plasma membrane, also known as the cell membrane, is the membrane that divides the interior of the cell from the outside world.
- It is found in all cells.
- Both lipids and proteins make up the plasma membrane. The phospholipid bilayer, which provides a durable barrier between two aqueous compartments and on which the proteins are embedded, is the membrane's basic structure.
What are embedded proteins?
- These are cell membrane proteins that are entirely embedded in a phospholipid bilayer and have hydrophilic and hydrophobic areas.
- Channeling or moving molecules through the membrane is one of its roles.
- Other integral proteins act as cell receptors.
Hence, the correct option is A. allowing specific substances to flow into the cell.
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