glucolisis Flashcards

1
Q

etapas de la via catabolica

A

hidrolisis de moleculas complejas, conversion de componentes escenciales en intermediarios simples y oxidacion de acetil coA

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2
Q

vias anabolicas

A

contraste al catabolizmo, se busca formar estructuras complejas

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3
Q

principal poder reductor de la via anabolica

A

NADPH

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4
Q

segundo mensajero mas importante

A

adenilil ciclasa |

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5
Q

¿que hace la colera y la tos ferina?

A

inhiben a AC ( adenilil ciclasa)

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6
Q

producto final de la glucolisis

A

piruato

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7
Q

producto de glucolisis anaerobica

A

lactato

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8
Q

GLUT-3

A

neuronas

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9
Q

GLUT-1

A

eritocitos y barrera hematoencefalica

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10
Q

GLUT-4

A

dependiente de insulina, musculo y tejido adiposo

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11
Q

GLUT-2

A

higado y riñones

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12
Q

enzima necesaria para convertir glucosa a glucosa-6forfato

A

hexocinasas(todo el cuerpo) y glucocinasas(higado y pancreas)

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13
Q

enzima mas importante y limitante de la velocidad de la glucolisis

A

PFK-1

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14
Q

activador mas potente de PFK-1

A

fructosa 6-fosfato

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15
Q

que activa y desactiva a la fructosa 6-fosfato

A

la activan altos niveles de insulina y bajos de glucagon

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16
Q

arsenico trivalente(arsenito)

A

inhibe a la piruato deshidrogenasa PDHC

17
Q

arsenico pentavalente (arsenato)

A

inhibe al gliceraldehido 3- fosfato deshidrogenasa y forma un complejo que se hidrolisa en forma de 3-fosfoglicerato

18
Q

quien sintentisa la fosfoenolpiruato a piruato

A

piruato cinasa

19
Q

deficiencia de piruato cinasa

A

anemia hemolitica no esferocitica

20
Q

piruato a lacatato por

21
Q

el lactato es formado tras

A

ejercicio fisico intenso

22
Q

lactato a glucosa por

A

gluconeogenesis

23
Q

acidosis lactica

A

elevaciones altas de lactaro(infartos, hemorragias, embolia pulmonar, etc)

24
Q

cuantos atp genera la glucolisis

25
donde se produce la glucolisis
citosol