The hormones bind to their specific receptors in order to perform their functions. The binding of hormone-receptor may be altered by the presence of an antagonist, which binds to the receptor and blocks the activity of the hormone.

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Chapter 44, Problem 4A

Summary Introduction

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The hormones bind to their specific receptors in order to perform their functions. The binding of hormone-receptor may be altered by the presence of an antagonist, which binds to the receptor and blocks the activity of the hormone.

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A hormone signals through a G protein-coupled receptor as shown in the diagram. After the production of IP3, which of these events will MOST quickly stop the transduction of the signal? A. the hydrolysis of IP3 B. the hydrolysis of GTP C. the hydrolysis of PIP2 D. the hydrolysis of the hormone I believe the answer is (B) the hydrolysisof GTP, because the G protein becomes inactive after GTP is hydrolyzed to GDP. However, the solution provided by Bartleby is (C). Please explain. Thanks

Thyroid hormone receptor (TR) regulates growth, development, and differentiation of mammals. TR contains both a domain that binds to T3, the thyroid hormone, and a separate domain that binds to DNA. Which of the following BEST explains how TR signals? A. T3 binds to TR at the cell membrane, which then releases second messengers to regulate gene expression. B. T3 binds to DNA at the cell membrane, which then releases second messengers to regulate gene expression. C. T3 diffuses through the cell membrane to bind to TR, which then binds to DNA to regulate gene expression. D. T3 diffuses through the cell membrane to bind to DNA, which then binds to TR to regulate gene expression.

A hormone signals through a G protein-coupled receptor as shown in the diagram. After the production of IP3, which of these events will MOST quickly stop the transduction of the signal? A. the hydrolysis of IP3 B. the hydrolysis of GTP C. the hydrolysis of PIP2 D. the hydrolysis of the hormone

Answer 2

Question

Chapter 44, Problem 4A

Summary Introduction

Introduction:

The hormones bind to their specific receptors in order to perform their functions. The binding of hormone-receptor may be altered by the presence of an antagonist, which binds to the receptor and blocks the activity of the hormone.

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Answer 3

Question

Chapter 44, Problem 4A

Summary Introduction

Introduction:

The hormones bind to their specific receptors in order to perform their functions. The binding of hormone-receptor may be altered by the presence of an antagonist, which binds to the receptor and blocks the activity of the hormone.

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Answer 4

Question

Chapter 44, Problem 4A

Summary Introduction

Introduction:

The hormones bind to their specific receptors in order to perform their functions. The binding of hormone-receptor may be altered by the presence of an antagonist, which binds to the receptor and blocks the activity of the hormone.

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Answer 5

Chapter 44, Problem 4A

Summary Introduction

Introduction:

The hormones bind to their specific receptors in order to perform their functions. The binding of hormone-receptor may be altered by the presence of an antagonist, which binds to the receptor and blocks the activity of the hormone.

Answer 6

Chapter 44, Problem 4A

Summary Introduction

Introduction:

The hormones bind to their specific receptors in order to perform their functions. The binding of hormone-receptor may be altered by the presence of an antagonist, which binds to the receptor and blocks the activity of the hormone.

Answer 7

Chapter 44, Problem 4A

Summary Introduction

Introduction:

The hormones bind to their specific receptors in order to perform their functions. The binding of hormone-receptor may be altered by the presence of an antagonist, which binds to the receptor and blocks the activity of the hormone.

Answer 8

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Answer 11

Ch. 44.1 - Prob. 1LO Ch. 44.1 - Prob. 2LO Ch. 44.1 - Prob. 3LO Ch. 44.2 - Prob. 1LO Ch. 44.2 - Prob. 2LO Ch. 44.2 - Prob. 3LO Ch. 44.3 - Prob. 1LO Ch. 44.3 - Describe the connections between the hypothalamus,...Ch. 44.3 - Prob. 3LO Ch. 44.4 - Prob. 1LO

The hormones bind to their specific receptors in order to perform their functions. The binding of hormone-receptor may be altered by the presence of an antagonist, which binds to the receptor and blocks the activity of the hormone.

Solution Summary: The author explains that the mutation in the receptor will only allow MSH antagonist to bind with it and only red color coats will be produced.

Concept explainers

Introduction:

The hormones bind to their specific receptors in order to perform their functions. The binding of hormone-receptor may be altered by the presence of an antagonist, which binds to the receptor and blocks the activity of the hormone.

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Chapter 44 Solutions

The hormones bind to their specific receptors in order to perform their functions. The binding of hormone-receptor may be altered by the presence of an antagonist, which binds to the receptor and blocks the activity of the hormone.

Solution Summary: The author explains that the mutation in the receptor will only allow MSH antagonist to bind with it and only red color coats will be produced.

Concept explainers

Introduction: The hormones bind to their specific receptors in order to perform their functions. The binding of hormone-receptor may be altered by the presence of an antagonist, which binds to the receptor and blocks the activity of the hormone.

Want to see the full answer?

Chapter 44 Solutions

Introduction:

The hormones bind to their specific receptors in order to perform their functions. The binding of hormone-receptor may be altered by the presence of an antagonist, which binds to the receptor and blocks the activity of the hormone.