Plasma Membrane Structure and Function
11th Grade · Science · 45 min· Ngss Hs-ls1-2, 2.3 Plasma Membrane
Lesson Preview
Learning Objective
I can describe the structure and function of the plasma membrane.
- 1
The cell membrane is a selectively permeable boundary that controls what enters and exits the cell.
- 2
The phospholipid bilayer is composed of a hydrophobic tail region and a hydrophilic head, stabilized by weak Van der Waals bonds.
- 3
The fluid mosaic model describes the cell membrane as composed of phospholipids, proteins, and cholesterol in motion.
