Plasma Membrane Structure and Function

11th GradeScience45 min

aligned to Ngss Hs-ls1-2, 2.3 Plasma Membrane

Learning Objective

I can describe the structure and function of the plasma membrane.

Lesson Flow

Watch Video

6 min

Cell Membrane Structure Explained for AP Bio in 5 Minutes

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Guided Notes

9 min

Key concepts students will learn:

  • The cell membrane is a selectively permeable boundary that controls what enters and exits the cell.

  • The phospholipid bilayer is composed of a hydrophobic tail region and a hydrophilic head, stabilized by weak Van der Waals bonds.

  • The fluid mosaic model describes the cell membrane as composed of phospholipids, proteins, and cholesterol in motion.

Practice

14 min

10 questions • Multiple choice & Short answer

Exit Ticket

5 min

Describe the structure of the plasma membrane, including the roles of phospholipids, proteins, and cholesterol, according to the fluid mosaic model.

Teacher Guide

Get the complete package:

  • Answer keys for all questions
  • Differentiation strategies
  • Extension activities
  • Printable student handouts