The substances that mostly cross the cell membranes by simple diffusion are usually hydrophilic or hydrophobic. Introduction: Transport through a cell membrane is the movement of ions and molecules. It could be through passive diffusion or active transport. Simple diffusion is a process in which a substance passes through a membrane. It does not involve the help of an intermediary (a protein). The force which moves the substance from one to the other side of the membrane is the force of diffusion.

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Answer 1

Question

Chapter 4, Problem 12E

Summary Introduction

To write:

The substances that mostly cross the cell membranes by simple diffusion are usually hydrophilic or hydrophobic.

Introduction:

Transport through a cell membrane is the movement of ions and molecules. It could be through passive diffusion or active transport. Simple diffusion is a process in which a substance passes through a membrane. It does not involve the help of an intermediary (a protein). The force which moves the substance from one to the other side of the membrane is the force of diffusion.

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Answer 2

Question

Chapter 4, Problem 12E

Summary Introduction

To write:

The substances that mostly cross the cell membranes by simple diffusion are usually hydrophilic or hydrophobic.

Introduction:

Transport through a cell membrane is the movement of ions and molecules. It could be through passive diffusion or active transport. Simple diffusion is a process in which a substance passes through a membrane. It does not involve the help of an intermediary (a protein). The force which moves the substance from one to the other side of the membrane is the force of diffusion.

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Answer 3

Question

Chapter 4, Problem 12E

Summary Introduction

To write:

The substances that mostly cross the cell membranes by simple diffusion are usually hydrophilic or hydrophobic.

Introduction:

Transport through a cell membrane is the movement of ions and molecules. It could be through passive diffusion or active transport. Simple diffusion is a process in which a substance passes through a membrane. It does not involve the help of an intermediary (a protein). The force which moves the substance from one to the other side of the membrane is the force of diffusion.

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Answer 4

Question

Chapter 4, Problem 12E

Summary Introduction

To write:

The substances that mostly cross the cell membranes by simple diffusion are usually hydrophilic or hydrophobic.

Introduction:

Transport through a cell membrane is the movement of ions and molecules. It could be through passive diffusion or active transport. Simple diffusion is a process in which a substance passes through a membrane. It does not involve the help of an intermediary (a protein). The force which moves the substance from one to the other side of the membrane is the force of diffusion.

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Answer 5

Chapter 4, Problem 12E

Summary Introduction

To write:

The substances that mostly cross the cell membranes by simple diffusion are usually hydrophilic or hydrophobic.

Introduction:

Transport through a cell membrane is the movement of ions and molecules. It could be through passive diffusion or active transport. Simple diffusion is a process in which a substance passes through a membrane. It does not involve the help of an intermediary (a protein). The force which moves the substance from one to the other side of the membrane is the force of diffusion.

Answer 6

Chapter 4, Problem 12E

Summary Introduction

To write:

The substances that mostly cross the cell membranes by simple diffusion are usually hydrophilic or hydrophobic.

Introduction:

Transport through a cell membrane is the movement of ions and molecules. It could be through passive diffusion or active transport. Simple diffusion is a process in which a substance passes through a membrane. It does not involve the help of an intermediary (a protein). The force which moves the substance from one to the other side of the membrane is the force of diffusion.

Answer 7

Chapter 4, Problem 12E

Summary Introduction

To write:

The substances that mostly cross the cell membranes by simple diffusion are usually hydrophilic or hydrophobic.

Introduction:

Transport through a cell membrane is the movement of ions and molecules. It could be through passive diffusion or active transport. Simple diffusion is a process in which a substance passes through a membrane. It does not involve the help of an intermediary (a protein). The force which moves the substance from one to the other side of the membrane is the force of diffusion.

Answer 8

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Answer 11

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