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Glucogenogénesis Flashcards

(9 cards)

1
Q

Qué es el glucógeno?

A

La manera en la cuál los animales almacenamos glucosa en el hígado y músculo

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2
Q

Cuándo sucede la glucogenogénesis?

A

Post-prandial

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3
Q

1era reacción
Fosfoglucomutasa

A

Glucosa-6-fosfato → glucosa-1-fosfato

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4
Q

2da reacción
UDP glucosa pirofosforolasa

A

Glucosa-1-fosfato → UTP → UDP glucosa

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5
Q

3ra reacción
Glucógeno sintetasa

A

Unen UDP glucosa a los extremos no reductores de glucógeno

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6
Q

Glucogenina

A

Proteína que junto con la TYROSINA 194 le ayuda a la glucógeno sintasa a INICIAR una CADENA
Esta añade 7 residuos, y después de esto la glucógeno sintasa empieza a alargar la cadena

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7
Q

Enzima ratificadora

A

Forma enlaces 1-6 para hacer ramas
También es transferasa y transfiere residuos de 6 glucosas a otro punto de la cadena (crea más ramas)

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8
Q

Función de glucógeno en el hígado

A

Proporciona glucosa libre para mantener una concentración sanguínea de glucosa

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9
Q

Función de glucógeno en el músculo

A

Proporciona glucosa-6-fosfato para la glucólisis → crear ATP para contracción muscular

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