Reproductive System tion Name: Module 18 Study Guide: The Endocrine System . Cho

Question

Reproductive System tion Name: Module 18 Study Guide: The Endocrine System . Choose (place an X) whether the characteristic applies to the Nervous System or both) Characteristic us Endocrine action is generaily briet lasting milliseconds) Action generally lasts longer (seconds to davs). Mediator molecules delivered to target by bloodstream Action potentials trigger release of mediator molecules at synapse with target Target cells require specific protein receptor for mediator molecule. Stimulates skeletal muscle contractions influence is much broader, will regulate virtually all types of body cells Controls growth& development and regulates reproductive systems Maintains internal environments (homeostasis) Mediator molecules include acetylcholine, glutamate, norepinephrine, ser Mediator molecules include aldosterone. melatonin, insulin, calkitonin 2. Action of lipid-soluble hormones: Put the following steps in order (#15) Transcription and Translation of genes results in synthesis of new proteins. Hormone secreted into bloodstream requires a transport protein to circulate New proteins alter the target cell's activity Hormone exist blood and diffuses through plasma membrane of target cell. Hormone binds to intracellular receptors located in cytosol or nucleus of target cen. 3. ActioOfwater-soluble hormones: Put the following steps in order (#1-5) Activated protein kinases phosphorylate cellular proteins in target cell. Hormone secreted into bloodstream circulates without need of transport protein. Phosphorylated proteins produce physiological responses in target cell. Hormone exist blood and binds to receptor on surface of target cel. Production of second messenger activates intracellular signaling reactions

Explanation / Answer

1.

2.steps of lipid soluble hormones action

3.action of water soluble hormones

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