Material segundo examen_bioquimica_1

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Material para estudiar del segundo examen de bioquimica estructural......M.V.Z.

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Material segundo examen_bioquimica_1

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  3. 3. Fig. 4-5a, p. 77<br />
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  46. 46. Steroid Hormones.<br />Cholesterolisthe precursor of thefivemajorclasses of steroid hormones:progestagens, glucocorticoids, mineralocorticoids, androgens, and estrogens<br />. These hormones are powerfulsignalmoleculesthatregulate a host of organismalfunctions. Progesterone, a progestagen, prepares thelining of theuterusforimplantation of anovum.<br />Progesteroneisalsoessentialforthemaintenance of pregnancy. Androgens of malesecondary sex characteristics, whereasestrogens (such as estrone) are requiredforthedevelopment of femalesecondary sex characteristics. Estrogens, alongwithprogesterone, alsoparticipate in theovariancycle.<br />
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  49. 49. ESTRUCTURA QUIMICA DE ACIDOS BILIARES (PRIMARIOS, SECUNDARIOS)<br />1rias<br />Ac. Cólico<br />2rias<br />Acido Deoxicólico<br />Colesterol<br />Ac. Quenodeoxicólico<br />
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  52. 52. COMPOSICION DE LA SECRECION BILIAR (0.5-1 L/d)<br />COMPONENTE CONCENTRACION (mmol)<br />Electrolitos<br />Na+ 140-165<br />K + 3-7<br />Cl - 80-120<br />HCO3 - 10-55<br />Ca 2+ 2.5-6.5<br />Mg 2+ 1.5-3.0<br />Aniones Orgánicos<br />Acidos Biliares 3-45<br />Bilirrubina 1-2<br />Lípidos<br />Lecitina 140-800 mg7dl<br />Colesterol 100-320 mg/dl<br />Proteínas 1-20 mg/ml<br />Péptidos y Aminas<br />Glutatión 3-5<br />Glutamato 1-2.5<br />Aspartato 0.4-1<br />Glicina 0.5-2.5<br />

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