Respuesta :
The answer would be A.
The cell membrane is a bilayer of phospholipids. Each phospholipid has a hydrophilic head and a hydro phobic tail. The heads are on the outer parts of the membrane in contact with water.
The cell membrane is a bilayer of phospholipids. Each phospholipid has a hydrophilic head and a hydro phobic tail. The heads are on the outer parts of the membrane in contact with water.