Metabolismo Del Colesterol Flashcards

1
Q

Número de etapas

A

4

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2
Q

Cuáles son las etapas?

A

Biosíntesis
Captación
Flujo
Almacenamiento

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3
Q

V / f el colesterol se metaboliza para energía

A

Falso

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4
Q

Como se elimina el colesterol

A

A través de células descamativas
Excreción de ácidos biliares
Catabolitos de hormonas esteroideas

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5
Q

Como se obtiene el colesterol

A

De los alimentos y del mismo organismo

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6
Q

Para que se usa el colesterol

A

Sintetizar vitaminas D y hormonas
Crea Rafts lipidicos

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7
Q

Como se regula el colesterol

A

Por la concentración de colesterol en el RE de la cel

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8
Q

El exceso de colesterol es..

A

Tóxico

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9
Q

Destino de T6 y colesterol

A

Tejido adiposo
Hígado

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10
Q

Destino de T6

A

Tejidos periféricos

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11
Q

Destino del colesterol de tejidos periféricos

A

Hígado

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12
Q

Función de ACAT

A

Convierte colesterol en Ester de colesterol

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13
Q

Acetil coa + acetil coa

A

Aceto acetil coA *tiolasa

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14
Q

Aceto acetil coA ->

A

HMG coA
* HMG-coA sintasa

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15
Q

HMG coA ->

A

Mevalona
* HMG CoA reductasa

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16
Q

Enzima del paso limitante d e velocidad

A

HMG-CoA reductasa

17
Q

Mevalona ->

A

Isopenyl pirofosfato

18
Q

Isopenyl pirofosfato ->

A

Isoprene units

19
Q

Isoprene units ->

A

Squalene
* squalene sintasa

20
Q

Squalene ->

A

7- deshidrocolesterol

21
Q

7-deshidrocolesterol ->

A

Colesterol