Textbook Question
Compare and contrast the modes of action of lipid-soluble and water-soluble hormones.
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Ch. 46 - Chemical Signals in Animals
Freeman8th EditionBiological ScienceISBN: 9780138276263
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Table of contents
- Ch. 1 - Biology: The Study of Life13
- Ch. 2 - Water and Carbon: The Chemical Basis of Life14
- Ch.3 - Protein Structure and Function10
- Ch.4 - Nucleic Acids and the RNA World10
- Ch. 5 - An Introduction to Carbohydrates10
- Ch. 6 - Lipids, Membranes, and the First Cells11
- Ch. 7 - Inside the Cell10
- Ch. 8 - Energy and Enzymes: An Introduction to Metabolism10
- Ch. 9 - Cellular Respiration and Fermentation11
- Ch. 10 - Photosynthesis12
- Ch. 11 - Cell-Cell Interactions12
- Ch. 12 - The Cell Cycle8
- Ch. 13 - Meiosis12
- Ch. 14 - Mendel and the Gene23
- Ch. 15 - DNA and the Gene: Synthesis and Repair15
- Ch. 16 - How Genes Work16
- Ch. 17 - Transcription, RNA Processing, and Translation16
- Ch. 18 - Control of Gene Expression in Bacteria16
- Ch. 19 - Control of Gene Expression in Eukaryotes12
- Ch. 20 - The Molecular Revolution: Biotechnology, Genomics, and New Frontiers15
- Ch. 21 - Genes, Development, and Evolution12
- Ch. 22 - Evolution by Natural Selection16
- Ch. 23 - Evolutionary Processes13
- Ch. 24 - Speciation15
- Ch. 25 - Phylogenies and the History of Life13
- Ch. 26 - Bacteria and Archaea15
- Ch. 27 - Diversification of Eukaryotes16
- Ch. 28 - Green Algae and Land Plants16
- Ch. 29 - Fungi18
- Ch. 30 - An Introduction to Animals9
- Ch. 31 - Protostome Animals15
- Ch. 32 - Deuterostome Animals17
- Ch. 33 - Viruses16
- Ch. 34 - Plant Form and Function16
- Ch. 35 - Water and Sugar Transport in Plants16
- Ch. 36 - Plant Nutrition13
- Ch. 37 - Plant Sensory Systems, Signals, and Responses16
- Ch. 38 - Flowering Plant Reproduction and Development16
- Ch. 39 - Animal Form and Function17
- Ch. 40 - Water and Electrolyte Balance in Animals16
- Ch. 41 - Animal Nutrition16
- Ch. 42 - Gas Exchange and Circulation16
- Ch. 43 - Animal Nervous Systems16
- Ch. 44 - Animal Sensory Systems16
- Ch. 45 - Animal Movement11
- Ch. 46 - Chemical Signals in Animals16
- Ch. 47 - Animal Reproduction and Development16
- Ch. 48 - The Immune System in Animals16
- Ch. 49 - An Introduction to Ecology15
- Ch. 50 - Behavioral Ecology16
- Ch. 51 - Population Ecology16
- Ch. 52 - Community Ecology20
- Ch. 53 - Ecosystems and Global Ecology17
- Ch. 54 - Biodiversity and Conservation Ecology18
Chapter 46, Problem 2
What is a hormone-response element?
a. A receptor for a steroid hormone
b. A receptor for a polypeptide hormone
c. A segment of DNA where a hormone–receptor complex binds
d. An enzyme that is activated in response to hormone binding and produces a second messenger
Verified step by step guidance1
Understand the concept of hormone-response elements: These are specific sequences of DNA that are recognized and bound by hormone-receptor complexes.
Identify the role of hormone-receptor complexes: When a hormone binds to its receptor, the complex can interact with DNA at hormone-response elements to regulate gene expression.
Differentiate between types of hormones: Steroid hormones typically pass through cell membranes and bind to intracellular receptors, forming complexes that can directly interact with DNA.
Consider the options given: Evaluate each option to determine which one accurately describes the function and location of hormone-response elements.
Select the correct answer: Based on the understanding that hormone-response elements are DNA segments where hormone-receptor complexes bind, choose the option that best fits this description.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Hormone-Response Element
A hormone-response element (HRE) is a specific sequence of DNA that a hormone-receptor complex binds to, influencing gene expression. When a hormone binds to its receptor, the complex can interact with HREs in the promoter region of target genes, modulating transcription and ultimately affecting cellular function.
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Steroid Hormone Receptors
Steroid hormone receptors are intracellular proteins that bind steroid hormones, such as estrogen or testosterone. Upon binding, these receptors undergo a conformational change, allowing them to interact with hormone-response elements in the DNA, thereby regulating gene expression and affecting various physiological processes.
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Gene Regulation by Hormones
Gene regulation by hormones involves the modulation of gene expression through hormone-receptor interactions with DNA. Hormones can activate or repress specific genes by binding to receptors that interact with hormone-response elements, leading to changes in mRNA synthesis and protein production, which are crucial for maintaining homeostasis and responding to environmental changes.
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Related Practice
Textbook Question
True or False: In hormone systems, negative feedback occurs when the presence of a hormone inhibits release of the hormone.
Textbook Question
Which of the following assertions regarding hormones is correct? Select True or False for each statement.
T/F Growth and metamorphosis are controlled by hormones.
T/F Cortisol stimulates the production of ACTH.
T/F Hormones produced by the hypothalamus are considered neurohormones.
T/F Hormonal changes during puberty and pregnancy are forms of endocrine disruption.
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Textbook Question
How do steroid hormones differ from polypeptide hormones and most amino-acid-derived hormones?
a. Steroid hormones are lipid soluble and cross plasma membranes readily.
b. Polypeptide and amino-acid-derived hormones are longer-lived in the bloodstream and thus exert greater signal amplification.
c. Polypeptide hormones are the most structurally complex and induce permanent changes in target cells.
d. Only steroid hormones bind to receptors in the plasma membrane.