Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 45, Problem 19TYK
Summary Introduction
Introduction: Hormones are signaling molecules that help to regulate physiology and behavior. The cells that are influenced by a particular hormone are known as target cells. They have specific binding receptors on the surface of the cell or within the cell. Hormones bind to these receptors to produce a characteristic response.
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A scientist hypothesizes that the pancreas’s hormone production is controlled by neural stimuli. Which observation would support this hypothesis? a. Insulin is produced in response to sudden stress without a rise in blood glucose. b. Insulin is produced in response to a rise in glucagon levels. c. Beta cells express epinephrine receptors. d. Insulin is produced in response to a rise in blood glucose in the brain.
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Chapter 45 Solutions
Study Guide for Campbell Biology
Ch. 45 - Label the parts of the following diagrams,...Ch. 45 - Compare negative and positive feedback in the...Ch. 45 - What is a tropic hormone? Give some examples.Ch. 45 - The thyroid gland produces two hormones, thyroxine...Ch. 45 - Prob. 5IQCh. 45 - Prob. 1SYKCh. 45 - What is a hormone cascade pathway? Describe how...Ch. 45 - Prob. 1TYKMCh. 45 - Prob. 2TYKMCh. 45 - Prob. 3TYKM
Ch. 45 - Prob. 4TYKMCh. 45 - Prob. 5TYKMCh. 45 - Prob. 6TYKMCh. 45 - Prob. 7TYKMCh. 45 - Prob. 8TYKMCh. 45 - Prob. 9TYKMCh. 45 - Prob. 10TYKMCh. 45 - Prob. 1TYKCh. 45 - Prob. 2TYKCh. 45 - Prob. 3TYKCh. 45 - The activation of helper T cells during an immune...Ch. 45 - Prob. 5TYKCh. 45 - Prob. 6TYKCh. 45 - Which of the following hormones is secreted by the...Ch. 45 - Prob. 8TYKCh. 45 - Prob. 9TYKCh. 45 - Prob. 10TYKCh. 45 - Prob. 11TYKCh. 45 - The anterior pituitary a. stores and releases...Ch. 45 - Prob. 13TYKCh. 45 - Prob. 14TYKCh. 45 - Prob. 15TYKCh. 45 - Prob. 16TYKCh. 45 - Prob. 17TYKCh. 45 - Prob. 18TYKCh. 45 - Prob. 19TYKCh. 45 - Prob. 20TYK
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- Describe how hormone receptors can play a role in affecting the size of the responses of tissues to hormones.arrow_forwardPART 1 : Identify two sets of antagonistic hormones PART 2: Select the correct choice from the drop-down menu to complete the following sentences. a. Hypersecretion of thyroxine in the thyroid gland results in the Answer ( increase or decrease) of TSH from Answer.(hypothalamus or anterior pituitary gland) b.Hyposecretion of cortisol in the adrenal glands results in the Answer (increase or decrease) of Answer ( ACTH or gnRH or epinephrine) from the anterior pituitary gland.arrow_forwardUse the graphs to answer the question. Which answer describes a logical reason why LH and FSH were chosen for this study? A. These hormones regulate gametogenesis and sex hormone production, so they play a pivotal role in puberty. B. These hormones are only present in individuals undergoing puberty, so they provide a good indication of puberty. C. These hormones directly cause puberty related changes. D. These hormones are the only ones that fluctuate with puberty while other hormones are unchanged. Use the graph to answer the question. The graph indicates increases in both FSH and LH for males and females. However, male and female signs of puberty differ. Which of the following explains why? A. Hormone levels increase for both of them, but LH levels increase more for males and less for females. B. FSH and LH trigger higher testosterone production in males and higher estrogen production in females. C. FSH and LH promote a positive feedback…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_forwardPlease answer both (A) Explain why all cells do not respond to all hormones. (B) Describe the differences between the hormone epinephrine and the neurotransmitter epinephrinearrow_forwardWhich 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 hormonearrow_forward
- Transplant recipients need to take medications with immunosuppressive and anti-inflammatory properties. Which of the following hormones has been made into a drug and could be given to these patients? Select one: a. epinephrine b. aldosterone c. mineralocorticoids d. cortisolarrow_forwardWhat does folate deficiency in males cause? A. Blindness B. High sperm production C. Low sperm production D. Cardiovascular Diseasearrow_forwardUnlike the nervous system, the endocrine systema. uses chemical signals as a means of communication.b. helps maintain equilibrium.c. sends messages to target organs.d. changes the metabolism of cells.arrow_forward
- Which of the following statements about hormones is not correct? A. The persistance of a hormone in the blood is usually of short duration.B. The time required for the onset of hormonal effects can vary C. Organ responses to hormones occur as soon as receptors are bound. D. The duration of hormone action is variable.arrow_forwardIf juvenile hormone production continued throughout an insect’s life, what would be the result? a. All of the events described here. b. The pupa stage would not occur c. Caspases would not be activated d. Inhibition of Imaginal disc cell activationarrow_forwardSelect the best answer or answers from the choices given: Some hormones act by (a) increasing the synthesis of enzymes, (b) converting an inactive enzyme into an active enzyme, (c) affecting only specific target organs, (d) all of these.arrow_forward
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