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What type of signalling does aldosterone have? (autocrine, endocrine, paracrine, synaptic, cell-cell contact) please explain too
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- Insulin is a blank a soluble hormone. Therefore it can/cannot cross the plasma membrane.Visit this link (http://openstaxcollege.org/l/hormonebind) to watch an animation of the events thatoccur when a hormone binds to a cell membrane receptor.What is the secondary messenger made by adenylyl cyclaseduring the activation of liver cells by epinephrine?The hormone mechanism which results in the release of intracellular Ca++ is the: Question options: PIP 2nd messenger mechanism humoral mechanism 2nd messenger – adenylate cyclase mechanism Steroid hormone mechanism
- All of the following statements relating to endocrine signaling are correct EXCEPT:Overexpression of this receptor in the cells of the adrenal gland causes Cushing's syndrome, a disease caused by the overproduction of cortisol. One strategy that scientists have employed to treat this disease is the use of small molecules that bind to, but do not activate, MC2R. This type of molecule is generically referred to as an antagonist. How can an antagonist bind to the same receptor as ACTH but not activate it? O a. The antagonist can bind covalently while ACTH binds non-covalently O b. The antagonist is only partially complimentary to the binding pocket of MC2R O The antagonist binds to ACTH and blocks it from binding to the receptor properly O d. The antagonist is the exact same structure as ACTH but since it is synthetic it doesn't work One cause of Cushing's syndrome is the inappropriate production of GPCRS in the adrenal gland that are not normally present in those cells. When these receptors are activated they result in the production of cortisol. Which statement about…Identify the structure highlighted in green: Epinephrine receptor ACh receptor Norepinephrine receptor
- Describe to me why certain hormones (lipids-based hormones) can move directly through the cell membrane in comparison to hormones (protein-based hormones) have to bind to the outside of the cell and then send secondary messengering inside in order to work? Which hormones are in each of the 2 categories? How does this affect the way we deliver/treat hormone conditions?Endocrine Ligand acting on intracellular receptor should be: O Hydrophilic O Hydrophobic O Amphipathic O Macromolecule What kinds of molecules may pass throughWhich statement correctly identifies how a lipid-soluble hormone that diffuses from the blood and through the interstitial fluid identifies which cells in the tissue to act upon? O The cell closest to the diffusion site. O The presence of a receptor located in the cytoplasm or nucleus specific to the hormone in cells. O The presence of a receptor embedded in the plasma membrane of target cells. O The presence of a channel protein embedded in the plasma membrane for the lipid-soluble hormone to diffuse through. Save for Later 80 F3 F4 F5 F6 8 F7 Attempts: 0 of 3 used F8 F9 Submit Answer F10
- Catecholamines like epinephrine and norepinephrine among having many physiological effects like increased blood pressure, on a molecular level will also promote the breakdown of what?Peptide hormones interact with what structures on the surface of a cell?Explain how the chemical nature of the plasma membrane acts on the two chemical categories of hormones, and thus the type of response each hormone can induce in a target cell. Be sure to thoroughly describe the two types of cellular responses.