A concentration gradient is defined as the difference in the solute concentration between adjacent regions of a solution. In diffusion, the movement of a substance occurs from an area of high concentration to an area of low concentration.

Question

Which of the following is true about lipid bilayers? A. They are self-forming. B. They are dynamic. C. They are fluid. D. They are permeable. A, C, D only A, B, C only B, C, D only A, B, C, D

Answer 1

Question

Chapter 5, Problem 12SA

Summary Introduction

Introduction:

A concentration gradient is defined as the difference in the solute concentration between adjacent regions of a solution. In diffusion, the movement of a substance occurs from an area of high concentration to an area of low concentration.

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Which of the following is true about lipid bilayers? A. They are self-forming. B. They are dynamic. C. They are fluid. D. They are permeable. A, C, D only A, B, C only B, C, D only A, B, C, D

Which of the following are the main structural components of the lipid bilayer of all cell membranes? A. Phospholipids B. Waxes C. Triglycerides D. Steroids

______cannot diffuse across a lipid bilayer. a. Water molecules c. Ions b. Gases d. Nonpolar molecules

Answer 2

Question

Chapter 5, Problem 12SA

Summary Introduction

Introduction:

A concentration gradient is defined as the difference in the solute concentration between adjacent regions of a solution. In diffusion, the movement of a substance occurs from an area of high concentration to an area of low concentration.

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Answer 3

Question

Chapter 5, Problem 12SA

Summary Introduction

Introduction:

A concentration gradient is defined as the difference in the solute concentration between adjacent regions of a solution. In diffusion, the movement of a substance occurs from an area of high concentration to an area of low concentration.

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Answer 4

Question

Chapter 5, Problem 12SA

Summary Introduction

Introduction:

A concentration gradient is defined as the difference in the solute concentration between adjacent regions of a solution. In diffusion, the movement of a substance occurs from an area of high concentration to an area of low concentration.

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Answer 5

Chapter 5, Problem 12SA

Summary Introduction

Introduction:

A concentration gradient is defined as the difference in the solute concentration between adjacent regions of a solution. In diffusion, the movement of a substance occurs from an area of high concentration to an area of low concentration.

Answer 6

Chapter 5, Problem 12SA

Summary Introduction

Introduction:

A concentration gradient is defined as the difference in the solute concentration between adjacent regions of a solution. In diffusion, the movement of a substance occurs from an area of high concentration to an area of low concentration.

Answer 7

Chapter 5, Problem 12SA

Summary Introduction

Introduction:

A concentration gradient is defined as the difference in the solute concentration between adjacent regions of a solution. In diffusion, the movement of a substance occurs from an area of high concentration to an area of low concentration.

Answer 8

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Ch. 5 - Which of the following statements is not correct?...Ch. 5 - ________ is lifes primary source of energy. a....Ch. 5 - Prob. 3SA Ch. 5 - Prob. 4SA Ch. 5 - ________ are always changed by participating in a...Ch. 5 - Name one environmental factor that typically...Ch. 5 - Prob. 7SA Ch. 5 - Prob. 8SA Ch. 5 - Prob. 9SA Ch. 5 - A molecule that donates electrons becomes...

A concentration gradient is defined as the difference in the solute concentration between adjacent regions of a solution. In diffusion, the movement of a substance occurs from an area of high concentration to an area of low concentration.

Solution Summary: The author explains that the lipid bilayer of the plasma membrane does not allow the diffusion of ions, charged molecules and large uncharged polar molecules.

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Introduction:

A concentration gradient is defined as the difference in the solute concentration between adjacent regions of a solution. In diffusion, the movement of a substance occurs from an area of high concentration to an area of low concentration.

Chapter 5 Solutions

A concentration gradient is defined as the difference in the solute concentration between adjacent regions of a solution. In diffusion, the movement of a substance occurs from an area of high concentration to an area of low concentration.

Solution Summary: The author explains that the lipid bilayer of the plasma membrane does not allow the diffusion of ions, charged molecules and large uncharged polar molecules.

Concept explainers

Videos

Introduction: A concentration gradient is defined as the difference in the solute concentration between adjacent regions of a solution. In diffusion, the movement of a substance occurs from an area of high concentration to an area of low concentration.

Chapter 5 Solutions

Introduction:

A concentration gradient is defined as the difference in the solute concentration between adjacent regions of a solution. In diffusion, the movement of a substance occurs from an area of high concentration to an area of low concentration.