Paracrine signaling is characterized by ligands that are a. produced by the cell itself. b. secreted by neighboring cells. c. present on the plasma membrane of neighboring cells. d. secreted by distant cells.

Question

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Answer 1

Textbook Question

Chapter 9, Problem 1U

Paracrine signaling is characterized by ligands that are

a. produced by the cell itself.

b. secreted by neighboring cells.

c. present on the plasma membrane of neighboring cells.

d. secreted by distant cells.

Expert Solution & Answer

Summary Introduction

Introduction:

Cells can communicate with each other by various mechanisms such as direct contact, paracrine signaling, endocrine signaling and synaptic signaling.

Answer to Problem 1U

Correct answer:

Paracrine signaling is characterized by the ligands that are secreted by neighboring cells. Therefore, option b. is correct.

Explanation of Solution

Reason for the correct statement:

The paracrine signaling is a type of cell-cell communication in which a cell produces signaling molecules (ligands) that diffuse through the extracellular matrix to affect cells present in the nearby areas.

Option b. is given as “secreted by neighboring cells”.

As “paracrine signaling involves secretion of ligands by the neighboring cells”, is the right answer.

Hence, option b. is correct.

Reason for the incorrect statements:

Option a. is given as “produced by the cells itself”.

In autocrine signaling, the ligands produced by a cell bind to its own receptor. So, it is a wrong answer.

Option c. is given as “present on the plasma membrane of neighboring cells”.

In direct signaling, the ligand present on a cell bind to a receptor present on the plasma membrane of a neighboring cell. So, it is a wrong answer.

Option d. is given as “secreted by distant cells”.

In endocrine signaling, a cell produces ligands that enter the circulatory system to act on the distant target cells. So, it is a wrong answer.

Hence, options a., c, and d. are incorrect.

Conclusion

Paracrine signaling involves secretion of ligands that acts on the target cells present in the neighboring areas.

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Answer 2

Textbook Question

Chapter 9, Problem 1U

Paracrine signaling is characterized by ligands that are

a. produced by the cell itself.

b. secreted by neighboring cells.

c. present on the plasma membrane of neighboring cells.

d. secreted by distant cells.

Expert Solution & Answer

Summary Introduction

Introduction:

Cells can communicate with each other by various mechanisms such as direct contact, paracrine signaling, endocrine signaling and synaptic signaling.

Answer to Problem 1U

Correct answer:

Paracrine signaling is characterized by the ligands that are secreted by neighboring cells. Therefore, option b. is correct.

Explanation of Solution

Reason for the correct statement:

The paracrine signaling is a type of cell-cell communication in which a cell produces signaling molecules (ligands) that diffuse through the extracellular matrix to affect cells present in the nearby areas.

Option b. is given as “secreted by neighboring cells”.

As “paracrine signaling involves secretion of ligands by the neighboring cells”, is the right answer.

Hence, option b. is correct.

Reason for the incorrect statements:

Option a. is given as “produced by the cells itself”.

In autocrine signaling, the ligands produced by a cell bind to its own receptor. So, it is a wrong answer.

Option c. is given as “present on the plasma membrane of neighboring cells”.

In direct signaling, the ligand present on a cell bind to a receptor present on the plasma membrane of a neighboring cell. So, it is a wrong answer.

Option d. is given as “secreted by distant cells”.

In endocrine signaling, a cell produces ligands that enter the circulatory system to act on the distant target cells. So, it is a wrong answer.

Hence, options a., c, and d. are incorrect.

Conclusion

Paracrine signaling involves secretion of ligands that acts on the target cells present in the neighboring areas.

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Answer 3

Textbook Question

Chapter 9, Problem 1U

Paracrine signaling is characterized by ligands that are

a. produced by the cell itself.

b. secreted by neighboring cells.

c. present on the plasma membrane of neighboring cells.

d. secreted by distant cells.

Expert Solution & Answer

Summary Introduction

Introduction:

Cells can communicate with each other by various mechanisms such as direct contact, paracrine signaling, endocrine signaling and synaptic signaling.

Answer to Problem 1U

Correct answer:

Paracrine signaling is characterized by the ligands that are secreted by neighboring cells. Therefore, option b. is correct.

Explanation of Solution

Reason for the correct statement:

The paracrine signaling is a type of cell-cell communication in which a cell produces signaling molecules (ligands) that diffuse through the extracellular matrix to affect cells present in the nearby areas.

Option b. is given as “secreted by neighboring cells”.

As “paracrine signaling involves secretion of ligands by the neighboring cells”, is the right answer.

Hence, option b. is correct.

Reason for the incorrect statements:

Option a. is given as “produced by the cells itself”.

In autocrine signaling, the ligands produced by a cell bind to its own receptor. So, it is a wrong answer.

Option c. is given as “present on the plasma membrane of neighboring cells”.

In direct signaling, the ligand present on a cell bind to a receptor present on the plasma membrane of a neighboring cell. So, it is a wrong answer.

Option d. is given as “secreted by distant cells”.

In endocrine signaling, a cell produces ligands that enter the circulatory system to act on the distant target cells. So, it is a wrong answer.

Hence, options a., c, and d. are incorrect.

Conclusion

Paracrine signaling involves secretion of ligands that acts on the target cells present in the neighboring areas.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Textbook Question

Chapter 9, Problem 1U

Paracrine signaling is characterized by ligands that are

a. produced by the cell itself.

b. secreted by neighboring cells.

c. present on the plasma membrane of neighboring cells.

d. secreted by distant cells.

Expert Solution & Answer

Summary Introduction

Introduction:

Cells can communicate with each other by various mechanisms such as direct contact, paracrine signaling, endocrine signaling and synaptic signaling.

Answer to Problem 1U

Correct answer:

Paracrine signaling is characterized by the ligands that are secreted by neighboring cells. Therefore, option b. is correct.

Explanation of Solution

Reason for the correct statement:

The paracrine signaling is a type of cell-cell communication in which a cell produces signaling molecules (ligands) that diffuse through the extracellular matrix to affect cells present in the nearby areas.

Option b. is given as “secreted by neighboring cells”.

As “paracrine signaling involves secretion of ligands by the neighboring cells”, is the right answer.

Hence, option b. is correct.

Reason for the incorrect statements:

Option a. is given as “produced by the cells itself”.

In autocrine signaling, the ligands produced by a cell bind to its own receptor. So, it is a wrong answer.

Option c. is given as “present on the plasma membrane of neighboring cells”.

In direct signaling, the ligand present on a cell bind to a receptor present on the plasma membrane of a neighboring cell. So, it is a wrong answer.

Option d. is given as “secreted by distant cells”.

In endocrine signaling, a cell produces ligands that enter the circulatory system to act on the distant target cells. So, it is a wrong answer.

Hence, options a., c, and d. are incorrect.

Conclusion

Paracrine signaling involves secretion of ligands that acts on the target cells present in the neighboring areas.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

Introduction:

Cells can communicate with each other by various mechanisms such as direct contact, paracrine signaling, endocrine signaling and synaptic signaling.

Answer to Problem 1U

Correct answer:

Paracrine signaling is characterized by the ligands that are secreted by neighboring cells. Therefore, option b. is correct.

Explanation of Solution

Reason for the correct statement:

The paracrine signaling is a type of cell-cell communication in which a cell produces signaling molecules (ligands) that diffuse through the extracellular matrix to affect cells present in the nearby areas.

Option b. is given as “secreted by neighboring cells”.

As “paracrine signaling involves secretion of ligands by the neighboring cells”, is the right answer.

Hence, option b. is correct.

Reason for the incorrect statements:

Option a. is given as “produced by the cells itself”.

In autocrine signaling, the ligands produced by a cell bind to its own receptor. So, it is a wrong answer.

Option c. is given as “present on the plasma membrane of neighboring cells”.

In direct signaling, the ligand present on a cell bind to a receptor present on the plasma membrane of a neighboring cell. So, it is a wrong answer.

Option d. is given as “secreted by distant cells”.

In endocrine signaling, a cell produces ligands that enter the circulatory system to act on the distant target cells. So, it is a wrong answer.

Hence, options a., c, and d. are incorrect.

Conclusion

Paracrine signaling involves secretion of ligands that acts on the target cells present in the neighboring areas.

Answer 8

Expert Solution & Answer

Summary Introduction

Introduction:

Cells can communicate with each other by various mechanisms such as direct contact, paracrine signaling, endocrine signaling and synaptic signaling.

Answer to Problem 1U

Correct answer:

Paracrine signaling is characterized by the ligands that are secreted by neighboring cells. Therefore, option b. is correct.

Explanation of Solution

Reason for the correct statement:

The paracrine signaling is a type of cell-cell communication in which a cell produces signaling molecules (ligands) that diffuse through the extracellular matrix to affect cells present in the nearby areas.

Option b. is given as “secreted by neighboring cells”.

As “paracrine signaling involves secretion of ligands by the neighboring cells”, is the right answer.

Hence, option b. is correct.

Reason for the incorrect statements:

Option a. is given as “produced by the cells itself”.

In autocrine signaling, the ligands produced by a cell bind to its own receptor. So, it is a wrong answer.

Option c. is given as “present on the plasma membrane of neighboring cells”.

In direct signaling, the ligand present on a cell bind to a receptor present on the plasma membrane of a neighboring cell. So, it is a wrong answer.

Option d. is given as “secreted by distant cells”.

In endocrine signaling, a cell produces ligands that enter the circulatory system to act on the distant target cells. So, it is a wrong answer.

Hence, options a., c, and d. are incorrect.

Conclusion

Paracrine signaling involves secretion of ligands that acts on the target cells present in the neighboring areas.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

Introduction:

Cells can communicate with each other by various mechanisms such as direct contact, paracrine signaling, endocrine signaling and synaptic signaling.

Answer 12

Answer to Problem 1U

Correct answer:

Paracrine signaling is characterized by the ligands that are secreted by neighboring cells. Therefore, option b. is correct.

Answer 13

Explanation of Solution

Reason for the correct statement:

The paracrine signaling is a type of cell-cell communication in which a cell produces signaling molecules (ligands) that diffuse through the extracellular matrix to affect cells present in the nearby areas.

Option b. is given as “secreted by neighboring cells”.

As “paracrine signaling involves secretion of ligands by the neighboring cells”, is the right answer.

Hence, option b. is correct.

Reason for the incorrect statements:

Option a. is given as “produced by the cells itself”.

In autocrine signaling, the ligands produced by a cell bind to its own receptor. So, it is a wrong answer.

Option c. is given as “present on the plasma membrane of neighboring cells”.

In direct signaling, the ligand present on a cell bind to a receptor present on the plasma membrane of a neighboring cell. So, it is a wrong answer.

Option d. is given as “secreted by distant cells”.

In endocrine signaling, a cell produces ligands that enter the circulatory system to act on the distant target cells. So, it is a wrong answer.

Hence, options a., c, and d. are incorrect.

Answer 14

Conclusion

Paracrine signaling involves secretion of ligands that acts on the target cells present in the neighboring areas.

Answer 15

Ch. 9.1 - Prob. 1LO Ch. 9.1 - Prob. 2LO Ch. 9.2 - Prob. 1LO Ch. 9.3 - Prob. 1LO Ch. 9.3 - Prob. 2LO Ch. 9.4 - Prob. 1LO Ch. 9.4 - Describe how information crosses the membrane in...Ch. 9.4 - Prob. 3LO Ch. 9.4 - Prob. 4LO Ch. 9.5 - Prob. 1LO

Paracrine signaling is characterized by ligands that are a. produced by the cell itself. b. secreted by neighboring cells. c. present on the plasma membrane of neighboring cells. d. secreted by distant cells.

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Answer to Problem 1U

Explanation of Solution

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Chapter 9 Solutions