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bioquimica > LIPIDOS > Flashcards

LIPIDOS Flashcards

1
Q

funciones de los lipidos

A

Tejido adiposo: combustible, reserva energetica
Membranas biologicas: materiales estrcturales
Funciones especiales: transporre de lipidos en sangre

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2
Q

Acidos grasos saturados

A

no tienen doble enlace

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3
Q

Acidos grasos insaturados

A

tienen doble enlace
Cis: =
Trans: x=

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4
Q

Acidos grasos esenciales

A

se obtienen de alimentos

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5
Q

Acidos grasos no esenciales

A

se pueden sintetizar

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6
Q

Omega 3

A

viene del acido alfa linolenico y regula la inflamacion

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7
Q

omega 6

A

viene del acido linoleico y regula el estado de animo

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8
Q

Eicosanoides

A

ocidacion de acidos grasos esenciales (insaturados)
Prostagladinas (anillo 5)
Tromboxanos (anillo 6)
Leucotrienos (no tiene anillos)

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9
Q

Formacion de esteres

A

Acido graso de une a un alcohol

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10
Q

Acilacion

A

Acido graso reacciona con una proteina eucariota y froamn proteinas aciladas. Se unen mediante un enlace covalente

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11
Q

Trigliceridos

A

3 cadenas de acidos grasos unidoa a un glicerol.
Funciones: almacenamiento y transporte de acidos grasos

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12
Q

Esteres de ceras

A

Grandes cadenas de acidos grasos unidos a alcoholes mendiante enlaces ester

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13
Q

Fosfolipidos

A

Fosfato+glicerol+acido graso
moleculas afipaticas

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14
Q

Fosfogliceridos

A

Fosfato+glicerol+acido graso+alcohol

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15
Q

Espingolipidos

A

Fosfato+esfingosina+acido graso

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16
Q

Isoprenoides

A

Son 5 carbonoes que se repiten
Estan formados por terpenos y esteroides
Polimeros lineales

17
Q

Colesterol

A

Componente esencial para la membranas de las celulas animales, es precursor de progesteronas, testosterona, estradiol, vitamina D y sales biliares

18
Q

Fosfolipasas

A

Funciones:
Traduccion de señales
Digestion
Fosfolipasas toxicas
Remodelacion de la membrana

19
Q

Lipoproteinas

A

VLDL: muy baja densidad
LDL baja densidad
HDL alta densidad

bioquimica (5 decks)

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