Question

All cells have a protective barrier that is formed of proteins and a lipid bilayer. What is the name of this barrier? A. cytoplasm B. phospholipid barrier C. cell membrane D. cell wall

Answer 1

The answer is C. Cell Membrane, a cell wall is only present in plants.

Answer 2

Answer: The cell membrane

Explanation: All cells have a cell membrane. The cell membrane separates the cell's internal environment from the external world. Cell membranes are constructed of proteins and a lipid bilayer that includes phospholipids. The cell membrane controls the movement of materials into and out of the cell.