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Bioquímica > TEMA 14: ENZIMAS GLUCÓLISIS > Flashcards

TEMA 14: ENZIMAS GLUCÓLISIS Flashcards

1
Q

Hexoquinasa (glucoquinasa en hígado)
Reacción e inhibición

A

Glucosa a glucosa 6 fosfato
Altas concentraciones de glucosa 6 fosfato

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2
Q

Fosfoglucoisomerasa o glucosa 6 fosfato isomerasa

A

Glucosa 6 fosfato a fructosa 6 fosfato

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3
Q

Fosfofructoquinasa (PFK)
Reacción e inhibición

A

Fructosa 6 fosfato a fructosa 1,6 bifosfato
Inhibida por altas concentraciones de ATP y regulada por citrato.

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4
Q

Glucosa a glucosa 6 fosfato

A

Hexoquinasa o glucoquinasa en hígado

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5
Q

Glucosa 6 fosfato a fructosa 6 fosfato

A

Fosfoglucoisomerasa o glucosa 6 fosfato isomerasa

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6
Q

Fructosa 6 fosfato a fructosa 1,6 bifosfato

A

Fosfofructoquinasa

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7
Q

Reacción en la que se pierde ATP y enzimas

A

Glucosa a glucosa 6 fosfato mediante hexoquinasa

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8
Q

2 punto de control de glucólisis y más importante

A

Fructosa 6 fosfato a fructosa 1,6 bifosfato mediante fosfofructoquinasa

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9
Q

Aldolasa
Reacción e inhibición

A

Fructosa 1,6 bifosfato a gliceraldehído 3 fosfato y dihicroxiacetona fosfato
Inhibida por acetato de yodo

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10
Q

Triosa-fosfato isomerasa

A

DIhidroxiacetona fosfato a gliceraldehído 3 fosfato

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11
Q

Fructosa 1,6 bifosfato a gliceraldehído 3 fosfato y dihicroxiacetona fosfato

A

Aldolasa

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12
Q

DIhidroxiacetona fosfato a gliceraldehído 3 fosfato

A

Triosa-fosfato isomerasa

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13
Q

G3P a 1,3-bifosfoglicerato
Enzima e inhibición

A

G3P deshidrogenasa o triosa 6P deshidrogenasa
Inhibida por acetato de yodo y arsenato

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14
Q

1-3 bifosfoglicerato a 3 fosfoglicerato

A

3 fosfoglicerato quinasa

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15
Q

Fosforilación a nivel de sustrato

A

3 fosfoglicerato kinasa y piruvato quinasa

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16
Q

3 enzimas irreversibles

A

hexoquinasa, fosfofructoquinasa, piruvato quinasa

17
Q

3 fosfoglicerato a 2 fosfoglicerato

A

3 fosfoglicerato mutasa

18
Q

2 fosfoglicerato a fosfoenol piruvato
inhibida por?

A

enolasa (deshidratasa)
inhibida por fluoruro

19
Q

fosfoenol piruvato a enol piruvato a piruvato
compuesto que activa esta enzima

A

piruvato quinasa
fructosa 1,6 bifosfato la activa

Bioquímica (19 decks)

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