Domanda del libro di testo
Why is the observation that one hormone may bind to more than one type of receptor important?
894
views
Ch. 46 - Chemical Signals in Animals
Freeman8th EditionBiological ScienceISBN: 9780138276263
Non è quello che usi tu?Cambia libro di testoScegli un libro di testo diverso
TOC.tableOfContents
- 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
Freeman8th EditionBiological ScienceISBN: 9780138276263Non è quello che usi tu?Cambia libro di testo
Capitolo 46, Problema 4
True or False: In hormone systems, negative feedback occurs when the presence of a hormone inhibits release of the hormone.
Guida verificata passo dopo passo1
Understand the concept of negative feedback in hormone systems: Negative feedback is a regulatory mechanism in which the output of a process inhibits or slows down the process itself.
Identify the role of hormones in this process: Hormones are chemical messengers that regulate physiological processes in the body.
Analyze the statement: The statement says that the presence of a hormone inhibits the release of the same hormone, which is a characteristic of negative feedback mechanisms.
Apply the concept to the statement: In many hormone systems, such as the release of thyroid hormones or cortisol, the presence of a certain level of hormone in the blood signals the system to reduce or stop further hormone release.
Conclude the truth value: The statement is true, as it correctly describes how negative feedback works in hormone systems.
Risposta video verificata per un problema simile:
Questa soluzione video è stata consigliata dai nostri tutor come utile per risolvere questo problema.
Durata del video:
2mConcetti chiave
Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.
Negative Feedback Mechanism
Negative feedback is a regulatory mechanism in biological systems where the output of a process inhibits its own production. In hormone systems, this means that when a hormone reaches a certain level in the bloodstream, it signals the endocrine glands to reduce or stop its further release, maintaining homeostasis.
Video consigliato:
02:41
Negative Feedback
Hormone Regulation
Hormones are chemical messengers produced by glands in the endocrine system that regulate various physiological processes. Their levels must be tightly controlled, and negative feedback is a key strategy for ensuring that hormone concentrations remain within optimal ranges, preventing overactivity or deficiency.
Video consigliato:
08:18Plant Hormones and Senescence
Homeostasis
Homeostasis refers to the stable internal conditions maintained by living organisms despite external changes. Hormonal regulation, including negative feedback mechanisms, plays a crucial role in achieving homeostasis by adjusting physiological processes such as metabolism, growth, and response to stress.
Video consigliato:
11:49Homeostasis
Pratica correlata
Domanda del libro di testo
Compare and contrast the modes of action of lipid-soluble and water-soluble hormones.
2595
views
Domanda del libro di testo
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.
690
views
Domanda del libro di testo
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.
883
views
Domanda del libro di testo
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
1345
views
Domanda del libro di testo
Compare and contrast the structure and function of the anterior and posterior pituitary glands.
1361
views