Regulation of glycolysis Flashcards

1
Q

¿En donde se encuentra la glucoquinasa

A

solo en hígado

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2
Q

¿Cuales son los 2 tipos de regulación?

A

alostérica y hormonal

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3
Q

Enzima que convierte glucosa en glucosa-6-P

A

Hexoquinasa

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4
Q

qué estimula a la enzima hexoquinasa?

A

La glucosa

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5
Q

Que inhibe a la enzima hexoquinasa?

A

La glucosa-6-P

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6
Q

Que estimula a la enzima glucoquinasa?

A

La glucosa

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7
Q

Que inhibe a la enzima glucoquinasa regresandola al hígado?

A

Fructosa-6-P

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8
Q

La insulina estimula la producción y eficacia de que enzimas?

A

Hexoquinasa

Glucoquinasa

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9
Q

El glucagón inhibe a que enzimas?

A

Hexoquinasa y glucoquinasa

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10
Q

Qué puede inhibir a la enzima fosfofructoquinasa 1?

A

ATP

Citrato

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11
Q

Qué puede estimular a la enzima fosfofructoquinasa 1?

A

ADP

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12
Q

¿Que inhibe a la enzima piruvato quinasa?

A

ATP
Acetil CoA (de beta oxidacion)
Long fatty acids chain CoA
Glucagon (fosforila a esta enzima)

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13
Q

¿Que estimula a la enzima piruvato quinasa?

A

Insulina (puede estimular la produccion de esta enzima y desfosforila a la enzima que anteriormente fue fosforilada por el glucagon)
Fructosa-1,6-bisfosfato

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