The proposed hypothesis for sucrose transport in plant. Introduction: A transporter is a protein that spans the lipid bilayer of plasma membrane and helps molecules, ions, and other solutes to pass through it. Active transport passes the molecules against their concentration gradient. It maintains the internal concentration of solutes that differ in concentration from the environment. It requires hydrolysis of adenosine triphosphate (ATP) to perform work. A co-transporter works in association with an active transporter; it transfers the molecules against their gradient. These molecules diffuse through the co-transporter along with another molecule that is against their concentration gradient.

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Answer 1

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Chapter 7, Problem 8TYU

(a)

Summary Introduction

To explain: The proposed hypothesis for sucrose transport in plant.

Introduction:

A transporter is a protein that spans the lipid bilayer of plasma membrane and helps molecules, ions, and other solutes to pass through it. Active transport passes the molecules against their concentration gradient. It maintains the internal concentration of solutes that differ in concentration from the environment. It requires hydrolysis of adenosine triphosphate (ATP) to perform work. A co-transporter works in association with an active transporter; it transfers the molecules against their gradient. These molecules diffuse through the co-transporter along with another molecule that is against their concentration gradient.

(b)

Summary Introduction

To explain: The result of adding an inhibitor of ATP regeneration in the solution.

Introduction:

A transporter is a protein that spans the lipid bilayer of plasma membrane and helps molecules, ions, and other solutes to pass through it. Active transport passes the molecules against their concentration gradient. It maintains the internal concentration of solutes that differ in concentration from the environment. It requires hydrolysis of adenosine triphosphate (ATP) to perform work. A co-transporter works in association with an active transporter; it transfers the molecules against their gradient. These molecules diffuse through the co-transporter along with another molecule that is against their concentration gradient.

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An experiment is designed to study the mechanism of sucrose uptake by plant cells. Cells are immersed in a sucrose solution, and the pH of the solution is monitored. Samples of the cells are taken at intervals, and their sucrose concentration is measured. The pH is observed to decrease until it reaches a steady, slightly acidic level, and then sucrose uptake begins. (1)Rank the steps from first to last. To rank items as equivalent, overlap them.

SCIENCE, TECHNOLOGY, AND SOCIETY Extensive irrigationin arid regions causes salts to accumulate in the soil. (Whenwater evaporates, salts that were dissolved in the water are leftbehind in the soil.) Based on what you learned about waterbalance in plant cells, explain why increased soil salinity(saltiness) might be harmful to crops

In winter, plants exchange the saturated lipids in their membranes for unsaturated lipids. Unsaturated lipids are "bent" and keep the membranes more fluids because they cannot be stacked closlely together. Of what advantage would this be for herbaceous plants that live through the winter? (Hint: what happens to bacon grease or the grease on top of soup when you put it in the refrigerator?)

Answer 2

Question

Chapter 7, Problem 8TYU

(a)

Summary Introduction

To explain: The proposed hypothesis for sucrose transport in plant.

Introduction:

A transporter is a protein that spans the lipid bilayer of plasma membrane and helps molecules, ions, and other solutes to pass through it. Active transport passes the molecules against their concentration gradient. It maintains the internal concentration of solutes that differ in concentration from the environment. It requires hydrolysis of adenosine triphosphate (ATP) to perform work. A co-transporter works in association with an active transporter; it transfers the molecules against their gradient. These molecules diffuse through the co-transporter along with another molecule that is against their concentration gradient.

(b)

Summary Introduction

To explain: The result of adding an inhibitor of ATP regeneration in the solution.

Introduction:

A transporter is a protein that spans the lipid bilayer of plasma membrane and helps molecules, ions, and other solutes to pass through it. Active transport passes the molecules against their concentration gradient. It maintains the internal concentration of solutes that differ in concentration from the environment. It requires hydrolysis of adenosine triphosphate (ATP) to perform work. A co-transporter works in association with an active transporter; it transfers the molecules against their gradient. These molecules diffuse through the co-transporter along with another molecule that is against their concentration gradient.

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Answer 3

Question

Chapter 7, Problem 8TYU

(a)

Summary Introduction

To explain: The proposed hypothesis for sucrose transport in plant.

Introduction:

A transporter is a protein that spans the lipid bilayer of plasma membrane and helps molecules, ions, and other solutes to pass through it. Active transport passes the molecules against their concentration gradient. It maintains the internal concentration of solutes that differ in concentration from the environment. It requires hydrolysis of adenosine triphosphate (ATP) to perform work. A co-transporter works in association with an active transporter; it transfers the molecules against their gradient. These molecules diffuse through the co-transporter along with another molecule that is against their concentration gradient.

(b)

Summary Introduction

To explain: The result of adding an inhibitor of ATP regeneration in the solution.

Introduction:

A transporter is a protein that spans the lipid bilayer of plasma membrane and helps molecules, ions, and other solutes to pass through it. Active transport passes the molecules against their concentration gradient. It maintains the internal concentration of solutes that differ in concentration from the environment. It requires hydrolysis of adenosine triphosphate (ATP) to perform work. A co-transporter works in association with an active transporter; it transfers the molecules against their gradient. These molecules diffuse through the co-transporter along with another molecule that is against their concentration gradient.

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Answer 4

Question

Chapter 7, Problem 8TYU

(a)

Summary Introduction

To explain: The proposed hypothesis for sucrose transport in plant.

Introduction:

A transporter is a protein that spans the lipid bilayer of plasma membrane and helps molecules, ions, and other solutes to pass through it. Active transport passes the molecules against their concentration gradient. It maintains the internal concentration of solutes that differ in concentration from the environment. It requires hydrolysis of adenosine triphosphate (ATP) to perform work. A co-transporter works in association with an active transporter; it transfers the molecules against their gradient. These molecules diffuse through the co-transporter along with another molecule that is against their concentration gradient.

(b)

Summary Introduction

To explain: The result of adding an inhibitor of ATP regeneration in the solution.

Introduction:

A transporter is a protein that spans the lipid bilayer of plasma membrane and helps molecules, ions, and other solutes to pass through it. Active transport passes the molecules against their concentration gradient. It maintains the internal concentration of solutes that differ in concentration from the environment. It requires hydrolysis of adenosine triphosphate (ATP) to perform work. A co-transporter works in association with an active transporter; it transfers the molecules against their gradient. These molecules diffuse through the co-transporter along with another molecule that is against their concentration gradient.

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Answer 5

Chapter 7, Problem 8TYU

(a)

Summary Introduction

To explain: The proposed hypothesis for sucrose transport in plant.

Introduction:

A transporter is a protein that spans the lipid bilayer of plasma membrane and helps molecules, ions, and other solutes to pass through it. Active transport passes the molecules against their concentration gradient. It maintains the internal concentration of solutes that differ in concentration from the environment. It requires hydrolysis of adenosine triphosphate (ATP) to perform work. A co-transporter works in association with an active transporter; it transfers the molecules against their gradient. These molecules diffuse through the co-transporter along with another molecule that is against their concentration gradient.

(b)

Summary Introduction

To explain: The result of adding an inhibitor of ATP regeneration in the solution.

Introduction:

A transporter is a protein that spans the lipid bilayer of plasma membrane and helps molecules, ions, and other solutes to pass through it. Active transport passes the molecules against their concentration gradient. It maintains the internal concentration of solutes that differ in concentration from the environment. It requires hydrolysis of adenosine triphosphate (ATP) to perform work. A co-transporter works in association with an active transporter; it transfers the molecules against their gradient. These molecules diffuse through the co-transporter along with another molecule that is against their concentration gradient.

Answer 6

Chapter 7, Problem 8TYU

(a)

Summary Introduction

To explain: The proposed hypothesis for sucrose transport in plant.

Introduction:

A transporter is a protein that spans the lipid bilayer of plasma membrane and helps molecules, ions, and other solutes to pass through it. Active transport passes the molecules against their concentration gradient. It maintains the internal concentration of solutes that differ in concentration from the environment. It requires hydrolysis of adenosine triphosphate (ATP) to perform work. A co-transporter works in association with an active transporter; it transfers the molecules against their gradient. These molecules diffuse through the co-transporter along with another molecule that is against their concentration gradient.

Answer 7

Chapter 7, Problem 8TYU

(a)

Summary Introduction

To explain: The proposed hypothesis for sucrose transport in plant.

Introduction:

A transporter is a protein that spans the lipid bilayer of plasma membrane and helps molecules, ions, and other solutes to pass through it. Active transport passes the molecules against their concentration gradient. It maintains the internal concentration of solutes that differ in concentration from the environment. It requires hydrolysis of adenosine triphosphate (ATP) to perform work. A co-transporter works in association with an active transporter; it transfers the molecules against their gradient. These molecules diffuse through the co-transporter along with another molecule that is against their concentration gradient.

Answer 8

(b)

Summary Introduction

To explain: The result of adding an inhibitor of ATP regeneration in the solution.

Introduction:

A transporter is a protein that spans the lipid bilayer of plasma membrane and helps molecules, ions, and other solutes to pass through it. Active transport passes the molecules against their concentration gradient. It maintains the internal concentration of solutes that differ in concentration from the environment. It requires hydrolysis of adenosine triphosphate (ATP) to perform work. A co-transporter works in association with an active transporter; it transfers the molecules against their gradient. These molecules diffuse through the co-transporter along with another molecule that is against their concentration gradient.

Answer 9

(b)

Summary Introduction

To explain: The result of adding an inhibitor of ATP regeneration in the solution.

Introduction:

A transporter is a protein that spans the lipid bilayer of plasma membrane and helps molecules, ions, and other solutes to pass through it. Active transport passes the molecules against their concentration gradient. It maintains the internal concentration of solutes that differ in concentration from the environment. It requires hydrolysis of adenosine triphosphate (ATP) to perform work. A co-transporter works in association with an active transporter; it transfers the molecules against their gradient. These molecules diffuse through the co-transporter along with another molecule that is against their concentration gradient.

Answer 10

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Answer 13

Ch. 7.1 - VISUAL SKILLS Carbohydrates are attached to...Ch. 7.1 - WHAT IF? How would the membrane lipid composition...Ch. 7.2 - What property allows O2 and CO2 to cross a lipid...Ch. 7.2 - VISUAL SKILLS Examine Figure 7.2. Why is a...Ch. 7.2 - MAKE CONNECTIONS Aquaporins exclude passage of...Ch. 7.3 - How do you think a cell performing cellular...Ch. 7.3 - WHAT IF? If a Paramecium swims from a hypotonic...Ch. 7.4 - Sodium-potassium pumps help nerve cells establish...Ch. 7.4 - VISUAL SKILLS Compare the sodium-potassium pump...Ch. 7.4 - MAKE CONNECTIONS Review the characteristics of...

Solution Summary: The author explains the proposed hypothesis for sucrose transport in plant. A transporter is a protein that spans the lipid bilayer of plasma membrane.

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