The mechanism that can be used to import more glucose in a liver cell. Introduction: A biological membrane has selective permeability. Some substances pass freely through phospholipid bilayer, but others require help from proteins.

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Answer 1

Question

Chapter 4, Problem 9WIO

Summary Introduction

To determine:

The mechanism that can be used to import more glucose in a liver cell.

Introduction:

A biological membrane has selective permeability. Some substances pass freely through phospholipid bilayer, but others require help from proteins.

Summary Introduction

To determine:

The reason that only one mode of transport can import more glucose in the liver cell.

Introduction:

The term gradient describes the concentration difference between the cell and the surrounding. In a concentration gradient, a solute is concentrated in one region as compared to the neighboring region.

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This graph shows facilitated diffusion of a compound across a cytoplasmic membrane and into a cell. As the external concentration of the compound is increased, the rate of uptake increases until it reaches a point where it slows and then begins to plateau. This is not the case with passive diffusion, where the rate of uptake continually increases as the solute concentration increases. Why does the rate of uptake slow and then eventually plateau with facilitated diffusion?

The sodium Na+/Glucose symport moves sodium and glucose across the plasma membrane. A) Describe was is meant by a symport. Include in your answer whether a symport is an example of a channel protein or a carrier protein. B) Why does the Na+/Glucose transporter work in only one direction? C) Describe how glucose can be both actively and passively transported into an out of the same cell. Include in your description how localization of transport proteins allows for these two different types of transport to occur in the same cell.

Glucose diffuses slowly through artificial phospholipid bilayers. The cells lining the small intestine, however, rapidly move large quantities of glucose from the glucose-rich food into their glucose-poor cytoplasm. Using this information, which transport mechanism is most probably functioning in the intestinal cells? exоcytosis simple diffusion O phagocytosis facilitated diffusion active transport pumps

Answer 2

Question

Chapter 4, Problem 9WIO

Summary Introduction

To determine:

The mechanism that can be used to import more glucose in a liver cell.

Introduction:

A biological membrane has selective permeability. Some substances pass freely through phospholipid bilayer, but others require help from proteins.

Summary Introduction

To determine:

The reason that only one mode of transport can import more glucose in the liver cell.

Introduction:

The term gradient describes the concentration difference between the cell and the surrounding. In a concentration gradient, a solute is concentrated in one region as compared to the neighboring region.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 3

Question

Chapter 4, Problem 9WIO

Summary Introduction

To determine:

The mechanism that can be used to import more glucose in a liver cell.

Introduction:

A biological membrane has selective permeability. Some substances pass freely through phospholipid bilayer, but others require help from proteins.

Summary Introduction

To determine:

The reason that only one mode of transport can import more glucose in the liver cell.

Introduction:

The term gradient describes the concentration difference between the cell and the surrounding. In a concentration gradient, a solute is concentrated in one region as compared to the neighboring region.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 4, Problem 9WIO

Summary Introduction

To determine:

The mechanism that can be used to import more glucose in a liver cell.

Introduction:

A biological membrane has selective permeability. Some substances pass freely through phospholipid bilayer, but others require help from proteins.

Summary Introduction

To determine:

The reason that only one mode of transport can import more glucose in the liver cell.

Introduction:

The term gradient describes the concentration difference between the cell and the surrounding. In a concentration gradient, a solute is concentrated in one region as compared to the neighboring region.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 4, Problem 9WIO

Summary Introduction

To determine:

The mechanism that can be used to import more glucose in a liver cell.

Introduction:

A biological membrane has selective permeability. Some substances pass freely through phospholipid bilayer, but others require help from proteins.

Summary Introduction

To determine:

The reason that only one mode of transport can import more glucose in the liver cell.

Introduction:

The term gradient describes the concentration difference between the cell and the surrounding. In a concentration gradient, a solute is concentrated in one region as compared to the neighboring region.

Answer 6

Chapter 4, Problem 9WIO

Summary Introduction

To determine:

The mechanism that can be used to import more glucose in a liver cell.

Introduction:

A biological membrane has selective permeability. Some substances pass freely through phospholipid bilayer, but others require help from proteins.

Answer 7

Chapter 4, Problem 9WIO

Summary Introduction

To determine:

The mechanism that can be used to import more glucose in a liver cell.

Introduction:

A biological membrane has selective permeability. Some substances pass freely through phospholipid bilayer, but others require help from proteins.

Answer 8

Summary Introduction

To determine:

The reason that only one mode of transport can import more glucose in the liver cell.

Introduction:

The term gradient describes the concentration difference between the cell and the surrounding. In a concentration gradient, a solute is concentrated in one region as compared to the neighboring region.

Answer 9

Summary Introduction

To determine:

The reason that only one mode of transport can import more glucose in the liver cell.

Introduction:

The term gradient describes the concentration difference between the cell and the surrounding. In a concentration gradient, a solute is concentrated in one region as compared to the neighboring region.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 4.1 - Describe how your body has potential and kinetic...Ch. 4.1 - Prob. 2MC Ch. 4.2 - Prob. 1MC Ch. 4.2 - Prob. 2MC Ch. 4.2 - Prob. 3MC Ch. 4.3 - Prob. 1MC Ch. 4.3 - Describe the relationship between energy-requiring...Ch. 4.4 - Prob. 1MC Ch. 4.4 - Prob. 2MC Ch. 4.4 - What is the role of negative feedback in enzyme...

The mechanism that can be used to import more glucose in a liver cell. Introduction: A biological membrane has selective permeability. Some substances pass freely through phospholipid bilayer, but others require help from proteins.

Solution Summary: The author explains that a biological membrane has selective permeability, and some substances pass freely through phospholipid bilayer, but others require help from proteins.

Concept explainers

Videos

To determine:

The mechanism that can be used to import more glucose in a liver cell.

Introduction:

A biological membrane has selective permeability. Some substances pass freely through phospholipid bilayer, but others require help from proteins.

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Chapter 4 Solutions

The mechanism that can be used to import more glucose in a liver cell. Introduction: A biological membrane has selective permeability. Some substances pass freely through phospholipid bilayer, but others require help from proteins.

Solution Summary: The author explains that a biological membrane has selective permeability, and some substances pass freely through phospholipid bilayer, but others require help from proteins.

Concept explainers

Videos

To determine: The mechanism that can be used to import more glucose in a liver cell. Introduction: A biological membrane has selective permeability. Some substances pass freely through phospholipid bilayer, but others require help from proteins.

Want to see the full answer?

Chapter 4 Solutions

To determine:

The mechanism that can be used to import more glucose in a liver cell.

Introduction:

A biological membrane has selective permeability. Some substances pass freely through phospholipid bilayer, but others require help from proteins.