CICLO DE LA UREA Flashcards

1
Q

Toxina principal que resulta del metabolismo de Aa?

A

Amonio (NH4)

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2
Q

Dónde se procesa el AMONIO?

A

Mitocondria del hígado y Citoplasma

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3
Q

Qué Aa es usado por para que se transporte el amonio de manera segura por la sangre?

A

Glutamina y Alania

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4
Q

Enzima usada para pasar el NH4 a Glutamato?

A

Glutamina Sintetasa

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5
Q

Enzima que divide la glutamina en AMONIO y GLUTAMATO?

A

Glutaminasa

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6
Q

Grupos que forman a la urea?

A

2 grupos Nitrógeno

1 grupo carbonilo

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7
Q

FÓRMULA DEL CICLO DE LA UREA?

A

2 NH3 + CO2 + 3 ATP + H2O

UREA + 2ADP + AMP + 4 Pi

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8
Q

Cuánta UREA se produce al día?

A

30g

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9
Q

Cuál es la última enzima del ciclo?

A

Arginasa

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10
Q

Qué produce la arginasa?

A

Rompe la arginina en UREA y ORNITINA

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11
Q

Qué Aa no produce amonio?

A

ASPARTATO

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12
Q

Enzima del ciclo que se encuentra en la mitocondria?

A

Carbamoil Fosfato sintetasa 1 (CPS1)

Carbamoil transferasa

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13
Q

Enzima limitante del ciclo?

A

Carbamoil Fosfato Sintetasa 1

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14
Q

ATPs utilizados en el ciclo?

A

3

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15
Q

Cuántos pasos tiene el ciclo?

A

5

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