Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Chapter 15.2, Problem 4CYU
Summary Introduction
To review:
The location of steroid and peptide hormone synthesis in the cell. Identification of the hormone that can be stored in the vesicles and released by exocytosis.
Introduction:
Hormones are known to be the chemical messengers generated by the cells into the extracellular fluids. Such messengers move through the blood and manage the
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Students have asked these similar questions
Comparing cells synthesizing secretory proteins and cells secreting steroid hormones, the cells synthesizing the steroid hormones have:
A) more rough ER.
B) more smooth ER
C) equal amounts of smooth and rough ER
D) equal amounts of smooth and rough ER, but more lysosomes.
E) equal amounts of smooth and rough ER, but fewer lysosomes.
One such laboratory study investigated the binding of a hormone to three different receptor proteins in the cell membrane. The data collected are shown in the table below
1) Provide a brief explanation as to why ligand binding toproteins must be a reversible process.
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Write a note on polypeptide hormone receptor
Chapter 15 Solutions
Anatomy & Physiology (6th Edition)
Ch. 15.1 - Prob. 1CYUCh. 15.1 - Prob. 2CYUCh. 15.1 - What is the difference between a hormone and a...Ch. 15.2 - Prob. 4CYUCh. 15.3 - Prob. 5CYUCh. 15.3 - Consider the signaling mechanisms of water-soluble...Ch. 15.4 - What are the three types of stimuli that control...Ch. 15.5 - Prob. 8CYUCh. 15.6 - Prob. 9CYUCh. 15.6 - Prob. 10CYU
Ch. 15.6 - List the four anterior pituitary hormones that are...Ch. 15.7 - Prob. 12CYUCh. 15.8 - What is the major effect of thyroid hormone?...Ch. 15.8 - Name the cells that release each of the three...Ch. 15.9 - List the three classes of hormones released from...Ch. 15.10 - Synthetic melatonin supplements are available,...Ch. 15.11 - Which hormone does the heart produce and what is...Ch. 15.11 - Prob. 18CYUCh. 15.11 - MAKING connections Diabetes mellitus and diabetes...Ch. 15.11 - MAKING connections Which of the two chemical...Ch. 15 - The major stimulus for release of parathyroid...Ch. 15 - The anterior pituitary secretes all but (a)...Ch. 15 - A hormone not involved in glucose metabolism is...Ch. 15 - Parathyroid hormone (a) increases bone formation...Ch. 15 - Choose from the following key to identify the...Ch. 15 - Prob. 6MCCh. 15 - Testosterone is to the male as which hormone is to...Ch. 15 - If anterior pituitary secretion is deficient in a...Ch. 15 - If there is adequate carbohydrate intake,...Ch. 15 - Hormones (a) are produced by exocrine glands, (b)...Ch. 15 - Some hormones act by (a) increasing the synthesis...Ch. 15 - Absence of thyroid hormone would result in (a)...Ch. 15 - Medullary chromaffin cells are found in the (a)...Ch. 15 - Atrial natriuretic peptide secreted by the heart...Ch. 15 - Prob. 1SAQCh. 15 - Which type of hormone receptorplasma membrane...Ch. 15 - Prob. 3SAQCh. 15 - Name two endocrine glands (or regions) that are...Ch. 15 - The anterior pituitary is often referred to as the...Ch. 15 - The posterior pituitary is not really an endocrine...Ch. 15 - Endemic goiter is not really the result of a...Ch. 15 - How are they hyperglycemia and lipidemia of...Ch. 15 - Name a hormone secreted by a muscle cell and two...Ch. 15 - We have a new patient to consider today. Mr....Ch. 15 - We have a new patient to consider today. Mr....Ch. 15 - We have a new patient to consider today. Mr....
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- I need the answer as soon as possiblearrow_forwardIdentify the incorrect statement: O A. Steroid hormones, such as testosterone, are derived from cholesterol and regulate cell function by influencing transcription. O B. Melatonin is a hydrophobic steroid hormone synthesized by the pineal gland It regulates the circadian rhythm of the cell OC. Catecholamines are hydrophilic hormones synthesized from tyrosine. Therefore, membranes are barriers to them, and their receptors need to be on the extracellular surface. O D. Antidiuretic hormone is a peptide hormone that regulates fluid balance in the body O E. Thyroid hormone is a hydrophobic tyrosine derived hormone that regulates the metabolism,arrow_forwardProgesterone is a steroid hormone that is produced by the placenta during pregnancy. Based on its structure (shown below), explain why progesterone’s effects are mediated by a receptor located inside the cell rather than on the cell membrane.arrow_forward
- Where in the cell are steroid hormones synthesized? Where are peptide hormones synthesized? Which of these two types of hormone could be stored in vesicles and released by exocytosis?arrow_forwardIn their mechanism of action, a difference between steroid and nonsteroid hormones is that __________. nonsteroid hormones bind to DNA steroid hormones enter the nucleus of the target cell, and nonsteroid hormones do not nonsteroid hormones cross the plasma membrane more readily than do steroid hormones steroid hormones use a signal transduction pathwayarrow_forwardPlease identify the incorrect statement about hormone signaling: A) Cystolic receptors bind to hydophobic hormones and transport them into the nucleus where they directly influence protein synthesis. B) Hydropholic hormones cannot pass through the plasma membrane without help. Therefore, there are transport proteins that carry the hydrophillic hormones to the cytosol where it can bind its receptor C) Hydrophilic hormone signalling involves membrane receptors that have the ability to activate adenylyl cyclase, producing cAMP. cAMP then affects the activity of numerous proteins in the cytoplam. D) Hydrophobic hormones easily enter the plasma membrane. Therefore, there is no need for hydrophinic hormone receptors to be on the extracellular surface.arrow_forward
- Which of the following labeled cells in the photomicrograph shown synthesizes antimullerian hormone? A B C D Earrow_forwardSome cancer cells release their own grown hormone rather than relying on growth hor- mones from elsewhere in the host organism. Which of the following describes the type of cell communication used by these cancer cells to promote their continued division? A juxtacrine signaling B с D endocrine signaling paracrine signaling autocrine signalingarrow_forwardWhat is the cell found in tissues where the hormone produced leaves behind a C peptide during proteolytic activation?arrow_forward
- Why are eicosanoids often referred to as "local hormones"?arrow_forwardA study is conducted to assess the molecular mechanisms of hormone X. A radioactively labeled form of this hormone is incubated with human cells in tissue culture for 30 minutes, and then incubated briefly with a cross-linking agent. The plasma membrane, cytosolic, and nuclear fractions are isolated from the cell lysate, and the subcellular proteins are separated from these fractions by gel electrophoresis. The only protein bound to the labeled hormone is identified in the new clear fraction. Hormone X is most likely which of the following? Epinephrine Glucagon Growth hormone Insulin Thyroxinearrow_forwardThe binding of small amounts of hormones to target cell receptors triggers an intricate signal cascade. Why is the signal cascade necessary? Why not just have a simple molecularmechanism between the hormone and cellular effect?arrow_forward
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