Glucólisis Flashcards

1
Q

Proceso aeróbico/anaeróbico

A

Anaeróbico

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2
Q

La glucosa entra a la célula a traves de:

A

GLUT
GLUT2-Higado y páncreas

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3
Q

Funcion:

Hexocinasa
Glucocinasa

A

Hexocinasa y glucocinasa (hígado y páncreas)

Fosforila la glucosa para convertirla en:

Glucosa-6-fosfato

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4
Q

Pasos irreversibles-enzimas

A

1 Hexocinasa o glucocinasa
3 PFK1
10 Piruvato cinasa

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5
Q

la glucosa-6-fosfato pasa a:

A

Fructosa-6-fosfato

enzima: fosfoglucoisomerasa

Se gasta 1 ATP
ATP—-ADP

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6
Q

La fructosa-6-fosfato pasa a:

A

fructosa-1, 6-bifosfato

enzima- PFK1

ATP—–ADP

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7
Q

Regulador de PFK1

A

PFK2

Transforma la fructosa-1,6-bifosfato en fructosa-2,6-bifosfato

luego esta regresa a ser fructosa-1,6-bifosfato cuando los niveles de glucosa incrementan (+insulina)

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8
Q

Fructosa-1,6-bifosfato pasa a

A

G3P (Gliceraldehido-3-fosfato)
DHAP (Dihidroxiacetona fosfato)

enzima: aldolasa

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9
Q

DHAP pasa a

A

G3P

enzima isomerasa

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10
Q

G3P pasa a:

A

1,3-BPG (bifosfoglicerato)

enzima: G3P-deshidrogenasa

NAD—-NADH

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11
Q

1,3-BPG pasa a

A

3-fosfoglicerato

enzima: fosfoglicerato cinasa

ADP—ATP

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12
Q

3-fosfoglicerato pasa a

A

2-fosfoglicerato

enzima: mutasa

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13
Q

2-fosfoglicerato pasa a

A

PEP (fosfoenolpiruvato)

enzima: enolasa

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14
Q

PEP pasa a

A

Piruvato

enzima: piruvato cinasa

ADP—–ATP

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15
Q

Productos:

A

2 ATP
2 NADH—5 ATP
2 H2O
2 PIRUVATO

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