Bio 121 Campbell Biology Truman College
17th Edition
ISBN: 9781323670637
Author: Urry, Cain
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 45, Problem 7TYU
The relationship between the insect hormones ecdysteroid and PTTH is an example of
(A) an interaction of the endocrine and nervous systems.
(B) homeostasis achieved by positive feedback.
(C) homeostasis maintained by antagonistic hormones.
(D) competitive inhibition of a hormone receptor.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
***
Which of the following statements about endocrine signalling hormones is TRUE?
a) They are only soluble in lipids.
b) In vertebrates, they are only transported through the blood circulatory system.
c) They include a group of chemicals known as pheromones.
d) Each hormone can react with only one specific receptor type.
e) They are also involved in synaptic signalling.
Which of the following observations can be explained by the properties of hormone receptors?
a) A certain tissue can react to more than one hormone
b) A certain hormone affects only a specific tissue, not all tissues
c) Some tissues react very quickly to a certain hormone, other tissues take many hours to react to the same hormone
What do steroid and peptide hormones typically have in common? (A) their solubility in cell membranes (B) their requirement for travel through the bloodstream (C) the location of their receptors (D) their reliance on signal transduction in the cell
Chapter 45 Solutions
Bio 121 Campbell Biology Truman College
Ch. 45.1 - How do response mechanisms in target cells differ...Ch. 45.1 - What type of gland would you expect to secrete...Ch. 45.1 - WHAT IF? Predict what would happen if you...Ch. 45.2 - What are the roles of oxytocin and prolactin in...Ch. 45.2 - How do the two fused glands of the pituitary gland...Ch. 45.2 - WHAT IF? 2192 Propose an explanation for why...Ch. 45.2 - what if? Lab tests of two patients, each...Ch. 45.3 - If a hormone pathway produces a transient response...Ch. 45.3 - Prob. 2CCCh. 45.3 - Prob. 3CC
Ch. 45 - MAKE CONNECTIONS What forms of signaling activate...Ch. 45 - Which major endocrine organs described in Figure...Ch. 45 - Prob. 45.3CRCh. 45 - Which of the following is not an accurate...Ch. 45 - Prob. 2TYUCh. 45 - Growth factors are local regulators that (A) are...Ch. 45 - Prob. 4TYUCh. 45 - Prob. 5TYUCh. 45 - Which of the following is the most likely...Ch. 45 - The relationship between the insect hormones...Ch. 45 - DRAW IT In mammals, milk production by mammary...Ch. 45 - Prob. 9TYUCh. 45 - Prob. 10TYUCh. 45 - Level 3: Synthesis/Evaluation 11. WRITE ABOUT A...Ch. 45 - Prob. 12TYU
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following is not an accuratestatement?(A) Hormones are chemical messengers that travelto target cells through the circulatory system.(B) Hormones often regulate homeostasisthrough antagonistic functions.(C) Hormones of the same chemical class usually have thesame function.(D) Hormones are often regulated through feedback loopsarrow_forward1) Gross Anatomy and Basic Function of the Endocrine Glands a)Both the endocrine and nervous systems are major regulating systems of the body; however, the nervous system has been compared to a text message, and the endocrine system to mailing a letter. Briefly explain this comparison. b) Chemically, hormones belong chiefly to two molecular groups, the___ and the___ c) If hormones travel in the bloodstream, why don't all tissues respond to all hormones?arrow_forwardVirtually all of the protein or amino acid-based hormones exert their effects through an intracellular O a) ions O b) deactivators c) receptors O d) second messengers Ston sharing Hidearrow_forward
- A new hormone is discovered. Analysis suggests that it is synthesized on demand and has a long half-life in the wwww www. bloodstream. It seems to activate gene transcription in its target cells, though no cell surface receptors can be identified. Which type of hormone is this most likely to be? A) Steroid hormone B) Catecholamine C) Thyroid hormone D) Peptide hormonearrow_forwardWhich of the following is not a true statement? A.) steroid and thyroid hormone signaling would be impaired if the plasma level of carrier proteins is not optimal. B.) Steroid and thyroid hormone-receptor complexes form dimers when they bind to the hormone-response elements on DNA C.) Epinephrine uses the adenylate cyclase and the phospholipase C second messenger systems D.) signaling by a peptide hormone would be impaired if a second messenger system is not functional in the target cell E.) signaling by a steroid hormone would be hindered if the adenylated cyclase second messenger system is not functional in the target cell.arrow_forwardIdentify molecule (1) in the pathway of hormonal regulation illustrated below: (A) ion channel (B) G protein-coupled receptor (C) tyrosine kinase receptor (D) cytoplasmic/nuclear receptorarrow_forward
- Steroid hormones ... a) ... transmits its effects mainly by binding to membrane receptors. b) ... are water soluble. c) ... conveys its effects mainly through so-called second messengers. d) ... is transported in the blood by means of carrier protein.arrow_forwardWhich of the following is a true statement? A.) the hormone FSH requires a second messenger system to elicit a cellular response B.) prohormones are modified before they become active C.) the combined effects of two hormones would be greater than their individual effects if they synergize by additivity D.) a hormone can influence its own action on the target cell through priming E.) all of the abovearrow_forwardA steroid hormone approaches its target cell. Which of the following happens first? a)The hormone enters the nucleus. b)The hormone passes through the cell membrane. c)The hormone and its receptor bind to the cell's DNA. d) The hormone and its receptor enter the cell's nucleus.arrow_forward
- Which of these assertions about hormones is not accurate? Which of these assertions about hormones is not accurate? A.)Hormones produced by the hypothalamus are considered neurohormones. B.) Cortisol is released in response to the release of ACTH from the pituitary. C.) Hormonal changes during puberty and pregnancy are forms of endocrine disruption. D.) Growth and metamorphosis are controlled by hormones.arrow_forward1. Consider the endocrine system and hormones. a) What are the three general chemical classes of hormone? b) List the THREE physiological functions of the thyroid hormones. c) How are thyroid hormones transported in the bloodstream? Why? Do the hormones enter the target cell directly? Describe the sequence of events when thyroid hormones bind to their receptors.arrow_forwardWhich of the following statements about the half-life of hormones is correct? a) Hormones with a short half-life are present in relatively constant amounts in the blood b) Hormones with a short half-life regulate slow functions c) Fat-soluble hormones usually have a relatively long half-life d) Fat-soluble hormone is rapidly broken down by enzymes in the blood circulation e) Water-soluble hormones usually bind to plasma proteins (transport proteins)arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Human Anatomy & Physiology (11th Edition)BiologyISBN:9780134580999Author:Elaine N. Marieb, Katja N. HoehnPublisher:PEARSON
Biology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStax
Anatomy & PhysiologyBiologyISBN:9781259398629Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa StouterPublisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)BiologyISBN:9780815344322Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter WalterPublisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & PhysiologyBiologyISBN:9781260159363Author:Martin, Terry R., Prentice-craver, CynthiaPublisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)BiologyISBN:9781260231700Author:Sylvia S. Mader, Michael WindelspechtPublisher:McGraw Hill Education
Human Anatomy & Physiology (11th Edition)
Biology
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:PEARSON
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax
Anatomy & Physiology
Biology
ISBN:9781259398629
Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)
Biology
ISBN:9780815344322
Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Publisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & Physiology
Biology
ISBN:9781260159363
Author:Martin, Terry R., Prentice-craver, Cynthia
Publisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)
Biology
ISBN:9781260231700
Author:Sylvia S. Mader, Michael Windelspecht
Publisher:McGraw Hill Education
From Sea to Changing Sea | Early Life in the Oceans || Radcliffe Institute; Author: Harvard University;https://www.youtube.com/watch?v=Ac0TmDf5Feo;License: Standard youtube license