Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 37, Problem 21CTQ
Although there are many different hormones in the human body, they can he divided into three classes based on their chemical structure. What are these classes and what is one factor that distinguishes them?
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Chapter 37 Solutions
Biology 2e
Ch. 37 - Figure 37.5 Heat shock proteins (HSP) are so named...Ch. 37 - Figure 37.11 Pancreatic tumors may cause excess...Ch. 37 - Figure 37.14 Hyperthyroidism is a condition in...Ch. 37 - A newly discovered hormone contains four amino...Ch. 37 - Which class of hormones can diffuse through plasma...Ch. 37 - Why are steroids able to diffuse across the plasma...Ch. 37 - A new antagonist molecule has been discovered that...Ch. 37 - What effect will a cAMP inhibitor have on a...Ch. 37 - When insulin binds to its receptor, the complex is...Ch. 37 - Drinking alcoholic beverages causes an increase in...
Ch. 37 - FSH and LH release from the anterior pituitary is...Ch. 37 - What hormone is produced by beta cells of the...Ch. 37 - When blood calcium levels are low, PTH stimulates:...Ch. 37 - How would mutations that completely ablate the...Ch. 37 - A rise in blood glucose levels triggers release of...Ch. 37 - Which mechanism of hormonal stimulation would be...Ch. 37 - A scientist hypothesizes that the pancreas’s...Ch. 37 - Which endocrine glands are associated with the...Ch. 37 - Which of the following hormones is not produced by...Ch. 37 - Recent studies suggest that blue light exposure...Ch. 37 - Although there are many different hormones in the...Ch. 37 - Where is insulin stored, and why would it be...Ch. 37 - Glucagon is the peptide hormone that signals for...Ch. 37 - Name two important functions of hormone receptors.Ch. 37 - How can hormones mediate changes?Ch. 37 - Why is cAMP-mediated signal amplification not...Ch. 37 - Name and describe a function of one hormone...Ch. 37 - Describe one direct action of growth hormone (GH).Ch. 37 - Researchers have recently demonstrated that...Ch. 37 - How is hormone production and release primarily...Ch. 37 - Compare and contrast hormonal and humoral stimuli.Ch. 37 - Oral contraceptive pills work by delivering...Ch. 37 - What does aldosterone regulate, and how is it...Ch. 37 - The adrenal medulla contains two types of...Ch. 37 - How would damage to the posterior pituitary gland...
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- What is the structural difference between an enzyme and a hormone?arrow_forwardWhich of the statements is/are incorrect for hormones? 1) Hormones are non-nutrient chemicals serving as intercellular messengers. 2) Hormones are molecules of low molecular weight and are produced in traces. 3) Hormones give energy and also effect metabolism and growth activities of target cells. 4) Many hormones are produced in inactive form.arrow_forwardWhat general features make a chemical compound a hormone, and how do hormones achieve specificity for certain kinds of target cell?arrow_forward
- Why is the fact that a monomeric hormone binds simultaneously to two identical receptor molecules, thus promoting the formation of a dimer of the receptor, considered remarkable?arrow_forwardSteroid hormones are made up of what molecules? What distinguishes steroid hormones' physical characteristics from those of other hormones?arrow_forwardWhat are the diff erences among permissive eff ects, synergistic eff ects, and antagonistic eff ects of hormones?arrow_forward
- What are the three general chemical classes of hormones?arrow_forwardOne of the main endocrine glands in the human body is the pituitary gland. This gland produces a variety of hormones with different effects. Among these are a heterogeneous group of hormones called tropic hormones, which directly stimulate the secretion of other hormones from downstream endocrine glands. Which of the following are tropic hormones? Select all that apply. LH Prolactin Oxytocin ACTH TSH testosteronearrow_forwardThyroid hormone is produced within spherical shape structures in the thyroid gland known as 3. 1_ _ _This structure consists of an outer layer of 3.2 epithelial cells and an inner section known-as 3.3___ . This inner section is filled with 3.4 ____ that is synthesised and secreted by-the cells and contains many tyrosine residues. Within this inner section, organification occurs when 3. 5 ____ molecules attach to these tyrosine residues forming either 3. 6____ (with one molecule attacl1ed) or 3. 7____(with two molecules attached). Through coupling, T3 and T4 are also formed. Of these two hormones;- 3. 8 ____is less potent but forms approximately 93% of the metabolically active hormones secreted the thyroid gland.arrow_forward
- What are the broad characteristics that distinguish a chemical substance from a hormone, and how can hormones attain specificity for certain types of target cells?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_forwardWhy is this wrong?arrow_forward
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