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XIV) Signaling. A) The adopt for Signaling in multi cellphoneular organisms B) yeast have to indicate to reply to various factors C) Extracellular signboard molecules stand by to receptors 1) most bind to receptors on the cell surface 2) some(prenominal) stall through with(predicate) membranes 3) There argon dissimilar types of extracellular sign molecules 4) most signaling molecules atomic number 18 secreted by exocytosis 5) other(a)s mild through the membrane 6) others remain bound to the surface D) Receptors 1) usually they are on the cell surface 2) sometimes they are upcountry the cell E) four major types of signaling 1) paracrine signaling 2) synaptic signaling 3) endocrine signaling 4) autocrine XIV.

1 F) Cells connected by gap junctions rump share petite signaling molecules 1) take into account the exchange of teeny-weeny signaling molecules 2) no exchange of macromolecules 3) in-chief(postnominal) roles in development G) disparate types of signals can trigger different effects in a given cell 1) preeminence 2) proliferation 3) survival 4) specific cellular functions H) different cells may respond differently to the same signal 1) answer depends on cell surface receptor 2) response depends on the environment 3) intracellular machinery 4) ex - acetylcholine (a neurotransmitter) I) Signaling by Nitric Oxide 1) NO synthase produces NO by deamination of arginine 2) piece of NO in causing smooth muscles to relax a) rank of events b) medical relevance 3) other functions of NO XIV. 2 a) production by delirious macrophages and neutrophils b) NO is released b y many nerve cells 4) mechanisms of action o! f NO a) diffuses give away of the cell, through the membrane b) diffuses directly into neighboring cells c) acts yet topically d) binds to enzymes within the target cells e) production of cGMP J) Signaling via intracellular receptors 1) small hydrophobic molecules bind intragroup receptors 2) types of ligands that bind internal receptors a) cortisol b) steroid sex ductless glands c) vitamin D d) thyroid hormone e)...If you want to get a full essay, order it on our website: BestEssayCheap.com

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