Oxytocin and vasopressin are peptide hormones which are also used as drugs. What are the functions of these drugs/peptide hormones?
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Oxytocin and vasopressin are peptide hormones which are also used as drugs. What are the functions of these drugs/peptide hormones?
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- Which hormones produced in the posterior and anterior lobes of the pituitary gland have the targets indicated? Below, fill in the blanks using the abbreviations noted in Section 15.3.Which 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.1) Why are steroid hormones unable to be stored in secretory vesicles? 2) Other than increasing hormone solubility, describe two other consequences of hormones binding to binding proteins.
- Why are the eicosanoids often called “local hormones”?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?What general features make a chemical compound a hormone, and how do hormones achieve specificity for certain kinds of target cell?
- One 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 testosteroneWhat are the structural differences between the peptide hormones oxytocin and vasopressin?Peptide hormones interact with what structures on the surface of a cell?
- 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 hormoneHow would it be possible to have the normal amount of a hormone circulating in the blood yet have symptoms that indicate a shortage of that hormone? Give an example.Identify the three chemical classes of hormones, and give an example of each. Most hormones belong to which class?
