Up-regulation is the increase in the rate of the synthesis of the receptors in the target cells and increase in the sensitivity of the receptors to certain hormones. This increases the total receptor molecules for a given hormone.

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Chapter 17, Problem 9RAC

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Up-regulation is the increase in the rate of the synthesis of the receptors in the target cells and increase in the sensitivity of the receptors to certain hormones. This increases the total receptor molecules for a given hormone.

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Steroid hormones a. can diffuse through the membrane without a carrier. b. have a direct effect on gene expression. c. bind to membrane receptors. d. Both a and b are correct.

What is the principal difference of endocrine system from other signaling systems? Select one: A. Endocrine signals diffuse to neighboring target cells. B. Endocrine signals produce self-activation of the secreting cells. C. Endocrine system uses cell-cell contact to transduce signals. D. Endocrine signals are delivered by blood. E. Endocrine signals always generate faster responses in target cells.

The action of steroid hormones is different from that of peptide hormones becausea. peptide hormones must enter the cell to begin action, whereas steroid hormones must begin action on the external surface of the cell membrane.b. steroid hormones must enter the cell to begin action, whereas peptide hormones must begin action on the external surface of the cell membrane.c. peptide hormones produce a hormone receptor complex that works directly on the DNA, whereas steroid hormones cause the release of a secondary messenger that triggers enzymes.d. None of these answers is correct.

Answer 2

Question

Chapter 17, Problem 9RAC

Summary Introduction

Introduction:

Up-regulation is the increase in the rate of the synthesis of the receptors in the target cells and increase in the sensitivity of the receptors to certain hormones. This increases the total receptor molecules for a given hormone.

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Answer 3

Question

Chapter 17, Problem 9RAC

Summary Introduction

Introduction:

Up-regulation is the increase in the rate of the synthesis of the receptors in the target cells and increase in the sensitivity of the receptors to certain hormones. This increases the total receptor molecules for a given hormone.

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Answer 4

Question

Chapter 17, Problem 9RAC

Summary Introduction

Introduction:

Up-regulation is the increase in the rate of the synthesis of the receptors in the target cells and increase in the sensitivity of the receptors to certain hormones. This increases the total receptor molecules for a given hormone.

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Answer 5

Chapter 17, Problem 9RAC

Summary Introduction

Introduction:

Up-regulation is the increase in the rate of the synthesis of the receptors in the target cells and increase in the sensitivity of the receptors to certain hormones. This increases the total receptor molecules for a given hormone.

Answer 6

Chapter 17, Problem 9RAC

Summary Introduction

Introduction:

Up-regulation is the increase in the rate of the synthesis of the receptors in the target cells and increase in the sensitivity of the receptors to certain hormones. This increases the total receptor molecules for a given hormone.

Answer 7

Chapter 17, Problem 9RAC

Summary Introduction

Introduction:

Up-regulation is the increase in the rate of the synthesis of the receptors in the target cells and increase in the sensitivity of the receptors to certain hormones. This increases the total receptor molecules for a given hormone.

Answer 8

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Answer 9

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Answer 11

Ch. 17.1 - How does an endocrine gland differ from an...Ch. 17.1 - Prob. 2AYP Ch. 17.1 - In what ways does the nervous system differ from...Ch. 17.1 - Name and describe the four classes of chemical...Ch. 17.2 - Prob. 5AYP Ch. 17.2 - Prob. 6AYP Ch. 17.2 - Prob. 7AYP Ch. 17.2 - What effect does a bound hormone have on the...Ch. 17.2 - What are the two chemical categories of hormones?...Ch. 17.2 - Describe how the chemical nature of a hormone...

Up-regulation is the increase in the rate of the synthesis of the receptors in the target cells and increase in the sensitivity of the receptors to certain hormones. This increases the total receptor molecules for a given hormone.

Solution Summary: The author explains that up-regulation increases the rate of the synthesis of receptors in the target cells and increases receptor sensitivity to certain hormones.

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Introduction:

Up-regulation is the increase in the rate of the synthesis of the receptors in the target cells and increase in the sensitivity of the receptors to certain hormones. This increases the total receptor molecules for a given hormone.

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Chapter 17 Solutions

Up-regulation is the increase in the rate of the synthesis of the receptors in the target cells and increase in the sensitivity of the receptors to certain hormones. This increases the total receptor molecules for a given hormone.

Solution Summary: The author explains that up-regulation increases the rate of the synthesis of receptors in the target cells and increases receptor sensitivity to certain hormones.

Concept explainers

Videos

Introduction: Up-regulation is the increase in the rate of the synthesis of the receptors in the target cells and increase in the sensitivity of the receptors to certain hormones. This increases the total receptor molecules for a given hormone.

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Chapter 17 Solutions

Introduction:

Up-regulation is the increase in the rate of the synthesis of the receptors in the target cells and increase in the sensitivity of the receptors to certain hormones. This increases the total receptor molecules for a given hormone.