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
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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?
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- What general features make a chemical compound a hormone, and how do hormones achieve specificity for certain kinds of target cell?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.What is the structural difference between an enzyme and a hormone?
- What exactly is a hormone? What is a hormone's function? How can a hormone's presence be identified by its target?Identify the three chemical classes of hormones, and give an example of each. Most hormones belong to which class?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
- Why do steroid hormones (and TH) lead to relatively long-term changes in cells?24. To be considered a target cell for a particular hormone, a cell must …. a) be experiencing a disruption in homeostasis. b) be the same cell type as the one that produced the hormone. c) be capable of producing that hormone. d) be located relatively close to the cells that produced the hormone. e) have receptors that recognize and bind to the hormone.What are the definitions of the phrases chemical messenger, target tissue, and hormone receptor?