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Ch 7: Campbell Biology Chapter 7: Membrane Structure and Function

About This Chapter

The Membrane Structure and Function chapter of this Campbell Biology Companion Course helps students learn the essential lessons associated with membrane structure and function. Each of these simple and fun video lessons is about five minutes long and is sequenced to align with the Membrane Structure and Function textbook chapter.

How It Works:

  • Identify the lessons in the Campbell Biology Membrane Structure and Function chapter with which you need help.
  • Find the corresponding video lessons with this companion course chapter.
  • Watch fun videos that cover the membrane structure and function topics you need to learn or review.
  • Complete the quizzes to test your understanding.
  • If you need additional help, rewatch the videos until you've mastered the material or submit a question for one of our instructors.

Students will learn:

  • The structure of a phospholipid bilayer
  • The fluid mosaic model
  • The definition for a selectively permeable membrane
  • Methods of passive transport
  • Membrane proteins involved in active transport
  • The processes of endocytosis and exocytosis

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6 Lessons in Chapter 7: Campbell Biology Chapter 7: Membrane Structure and Function
Test your knowledge with a 30-question chapter practice test
How a Phospholipid Bilayer Is Both Hydrophobic and Hydrophilic

1. How a Phospholipid Bilayer Is Both Hydrophobic and Hydrophilic

In this lesson, we will learn what gives phospholipids a dual personality. How can this molecule be both hydrophobic and hydrophilic, and why is this important to a cell?

The Fluid Mosaic Model of the Cell Membrane

2. The Fluid Mosaic Model of the Cell Membrane

In this lesson, we will discuss the components of the cell membrane and why the fluid mosaic model paints the best picture of its structure. We'll learn about the roles of the phospholipid bilayer, cholesterol, proteins and carbohydrates.

Selectively Permeable Membranes: Definition & Examples

3. Selectively Permeable Membranes: Definition & Examples

Our bodies are composed of billions of cells. There has to be a way to regulate what enters and leaves these cells. In this lesson, we will examine selectively permeable membranes and their critical role in the function of a cell.

Passive Transport in Cells: Simple and Facilitated Diffusion & Osmosis

4. Passive Transport in Cells: Simple and Facilitated Diffusion & Osmosis

A cell membrane is selectively permeable - not permeable to everything. In this lesson, we'll talk about methods of passive transport along a concentration gradient, including simple and facilitated diffusion and osmosis.

Active Transport in Cells: Definition & Examples

5. Active Transport in Cells: Definition & Examples

In this lesson, we'll learn how substances are transported across the cell membrane against the concentration gradient. This might seem like an uphill battle for the cell, but all it takes is a little chemical energy and a few integral membrane proteins to kick off some active transport!

Endocytosis and Exocytosis Across the Cell Membrane

6. Endocytosis and Exocytosis Across the Cell Membrane

In this lesson, we'll discover how some cells can eat, drink, and digest their dinner through the process of endocytosis and a structure called the lysosome. In addition, we'll learn how a cell can throw out the leftovers across the cell membrane during exocytosis.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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