The steroid hormones are lipid soluble molecules that have the capability to cross the plasma membrane. The receptors for these hormones are located inside the cytoplasm of the cell (intracellular receptors).

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Chapter 9, Problem 1A

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The steroid hormones are lipid soluble molecules that have the capability to cross the plasma membrane. The receptors for these hormones are located inside the cytoplasm of the cell (intracellular receptors).

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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.

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.

A hormone differs from a neurotransmitter in thata. hormones act extracellularly, whereas neurotransmitters act withinthe cell that synthesized them.b. hormones are released only by neurons, whereas neurotransmittersare released by many different types of cells.c. hormones cause only fast responses (seconds or less) to stimuli,whereas neurotransmitters cause slow responses (minutes to hours)to stimuli.d. hormones affect only epithelial cells, whereas neurotransmittersaffect only muscle cells.e. hormones are released into the bloodstream and can activate manycells in many parts of the body, whereas neurotransmitters arereleased by neurons and affect adjacent cells.

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Chapter 9, Problem 1A

Summary Introduction

Introduction:

The steroid hormones are lipid soluble molecules that have the capability to cross the plasma membrane. The receptors for these hormones are located inside the cytoplasm of the cell (intracellular receptors).

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Answer 3

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Chapter 9, Problem 1A

Summary Introduction

Introduction:

The steroid hormones are lipid soluble molecules that have the capability to cross the plasma membrane. The receptors for these hormones are located inside the cytoplasm of the cell (intracellular receptors).

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Answer 4

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Chapter 9, Problem 1A

Summary Introduction

Introduction:

The steroid hormones are lipid soluble molecules that have the capability to cross the plasma membrane. The receptors for these hormones are located inside the cytoplasm of the cell (intracellular receptors).

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Answer 5

Chapter 9, Problem 1A

Summary Introduction

Introduction:

The steroid hormones are lipid soluble molecules that have the capability to cross the plasma membrane. The receptors for these hormones are located inside the cytoplasm of the cell (intracellular receptors).

Answer 6

Chapter 9, Problem 1A

Summary Introduction

Introduction:

The steroid hormones are lipid soluble molecules that have the capability to cross the plasma membrane. The receptors for these hormones are located inside the cytoplasm of the cell (intracellular receptors).

Answer 7

Chapter 9, Problem 1A

Summary Introduction

Introduction:

The steroid hormones are lipid soluble molecules that have the capability to cross the plasma membrane. The receptors for these hormones are located inside the cytoplasm of the cell (intracellular receptors).

Answer 8

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Ch. 9 - Paracrine signaling is characterized by ligands...Ch. 9 - Signal transduction pathways a. are necessary for...Ch. 9 - The function of a ____is to add phosphates to...Ch. 9 - Which of the following receptor types is NOT a...Ch. 9 - How does the function of an intracellular receptor...Ch. 9 - Signaling through receptor tyrosine kinases often...Ch. 9 - Prob. 7U Ch. 9 - Which of the following best describes the...Ch. 9 - Prob. 1A Ch. 9 - The ion Ca2+ can act as a second messenger because...

The steroid hormones are lipid soluble molecules that have the capability to cross the plasma membrane. The receptors for these hormones are located inside the cytoplasm of the cell (intracellular receptors).

Solution Summary: The author explains that steroid hormones are lipid soluble molecules that have the capability to cross the plasma membrane.

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Introduction:

The steroid hormones are lipid soluble molecules that have the capability to cross the plasma membrane. The receptors for these hormones are located inside the cytoplasm of the cell (intracellular receptors).

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Chapter 9 Solutions

The steroid hormones are lipid soluble molecules that have the capability to cross the plasma membrane. The receptors for these hormones are located inside the cytoplasm of the cell (intracellular receptors).

Solution Summary: The author explains that steroid hormones are lipid soluble molecules that have the capability to cross the plasma membrane.

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Introduction: The steroid hormones are lipid soluble molecules that have the capability to cross the plasma membrane. The receptors for these hormones are located inside the cytoplasm of the cell (intracellular receptors).

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Chapter 9 Solutions

Introduction:

The steroid hormones are lipid soluble molecules that have the capability to cross the plasma membrane. The receptors for these hormones are located inside the cytoplasm of the cell (intracellular receptors).