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15 Cards in this Set
- Front
- Back
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What turns on or off existing abilities of the body, also know as a signal molecule?
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Ligand
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What system produces and releases hormones?
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Endocrine
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Hormones can be composed of
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steroids, cholesterol, prostoglandins,amino acids peptides, polypeptides, proteins, glycoproteins
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The rate of hormone released upon the increase or decrease of the concentration is called______ which occurs in the endocrine system, in the nervous system, the chemicals released by the neurons the concentration does not change, but the ______ changes which is called ________
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amplitude modulated
Frequency Frequency modulated |
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Hormones released by the nerves are called ________
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Neuro hormones
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In this system hormones are released by cells in a localized area. Their secretion effects the same type of cell.
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Autocrine Signaling
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In this system one cell type affects another cell type in a localized area. (cell type a affects cell type b)
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Paracrine Signaling
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Chemical release from the attracts the opposite sex
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pheremones
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Body cells operate in a _____ and ______ manner. It is based on shape determining function.
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Lock
Key |
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Hormone receptors are _____
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3D
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True or False: One hormone responds to several receptors
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False, one hormone, one receptor.
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The presence or absence of a specific ________ determines whether a cell will or will not respond.
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receptor
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Small, lipid soluble, and hydrophyllic and located in the cytoplasm or neucleus
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steroids
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Describe the process of receptor steroid complex
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Steroid open up the DNA allowing transcription turned into MRNS, leaves through neucleopores and goes to ribosomes where message is translated=protein synthesis. Goes to rough endoplasmic recticulum inside the lumen where it is edited and sent to gorgi apparatus for packaging.
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What substances are hydrophyllic
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steroids, amino acids, peptides and polypeptides.
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