The cell membrane or plasma membrane is a biological membrane. It separates the internal cellular substances from its outside environment. It is a double layer membrane. It is selectively permeable that means it allows only some of the molecules to enter and exit.

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Chapter 3, Problem 7LTB

Summary Introduction

Introduction:

The cell membrane or plasma membrane is a biological membrane. It separates the internal cellular substances from its outside environment. It is a double layer membrane. It is selectively permeable that means it allows only some of the molecules to enter and exit.

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A substance moving across a membrane against a concentration gradient is moving by: active transport facilitated diffusion passive transport osmosis

. The movement of a substance against its concentration gradient is always categorized as: simple diffusion facilitated diffusion active transport passive transport osmosis

The movement of a substance across a membrane, from low to high concentrations of that substance (requiring the expenditure of energy, often in the form of ATP hydrolysis), is always categorized as: active transport facilitated diffusion simple diffusion passive transport osmosis

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Question

Chapter 3, Problem 7LTB

Summary Introduction

Introduction:

The cell membrane or plasma membrane is a biological membrane. It separates the internal cellular substances from its outside environment. It is a double layer membrane. It is selectively permeable that means it allows only some of the molecules to enter and exit.

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Question

Chapter 3, Problem 7LTB

Summary Introduction

Introduction:

The cell membrane or plasma membrane is a biological membrane. It separates the internal cellular substances from its outside environment. It is a double layer membrane. It is selectively permeable that means it allows only some of the molecules to enter and exit.

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Answer 4

Question

Chapter 3, Problem 7LTB

Summary Introduction

Introduction:

The cell membrane or plasma membrane is a biological membrane. It separates the internal cellular substances from its outside environment. It is a double layer membrane. It is selectively permeable that means it allows only some of the molecules to enter and exit.

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Answer 5

Chapter 3, Problem 7LTB

Summary Introduction

Introduction:

The cell membrane or plasma membrane is a biological membrane. It separates the internal cellular substances from its outside environment. It is a double layer membrane. It is selectively permeable that means it allows only some of the molecules to enter and exit.

Answer 6

Chapter 3, Problem 7LTB

Summary Introduction

Introduction:

The cell membrane or plasma membrane is a biological membrane. It separates the internal cellular substances from its outside environment. It is a double layer membrane. It is selectively permeable that means it allows only some of the molecules to enter and exit.

Answer 7

Chapter 3, Problem 7LTB

Summary Introduction

Introduction:

The cell membrane or plasma membrane is a biological membrane. It separates the internal cellular substances from its outside environment. It is a double layer membrane. It is selectively permeable that means it allows only some of the molecules to enter and exit.

Answer 8

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Answer 11

Ch. 3 - Prob. 1LTB Ch. 3 - Add labels to the figure that follows, which...Ch. 3 - Prob. 3LTB Ch. 3 - Which of the following is not a function of water?...Ch. 3 - Prob. 5LTB Ch. 3 - Prob. 6LTB Ch. 3 - Prob. 7LTB Ch. 3 - Prob. 8LTB Ch. 3 - Which of the following forms of membrane transport...Ch. 3 - Prob. 10LTB

The cell membrane or plasma membrane is a biological membrane. It separates the internal cellular substances from its outside environment. It is a double layer membrane. It is selectively permeable that means it allows only some of the molecules to enter and exit.

Solution Summary: The author explains that the cell membrane or plasma membrane is a biological membrane that separates the internal cellular substances from its outside environment.

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Introduction:

The cell membrane or plasma membrane is a biological membrane. It separates the internal cellular substances from its outside environment. It is a double layer membrane. It is selectively permeable that means it allows only some of the molecules to enter and exit.

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Chapter 3 Solutions

The cell membrane or plasma membrane is a biological membrane. It separates the internal cellular substances from its outside environment. It is a double layer membrane. It is selectively permeable that means it allows only some of the molecules to enter and exit.

Solution Summary: The author explains that the cell membrane or plasma membrane is a biological membrane that separates the internal cellular substances from its outside environment.

Concept explainers

Videos

Introduction: The cell membrane or plasma membrane is a biological membrane. It separates the internal cellular substances from its outside environment. It is a double layer membrane. It is selectively permeable that means it allows only some of the molecules to enter and exit.

Want to see the full answer?

Chapter 3 Solutions

Introduction:

The cell membrane or plasma membrane is a biological membrane. It separates the internal cellular substances from its outside environment. It is a double layer membrane. It is selectively permeable that means it allows only some of the molecules to enter and exit.