3 karbs Flashcards

1
Q

Funciones biotina

A

Cofactor de carboxilasas, transfiere grupo carboxilo, carboxila a :
*Acetil Coa carboxilasa
*Piruvato carb.
*propionil coa
*metilcrotonil coa

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2
Q

Hipovitaminosis biotina

A

­ Biotinidasemangel, dermatitis, transtornos sistema inmunologico, desequilibrio met, perdida apetito, coma muerte dadño cerebral
trastornos piel caaida cabello, depre, dolor musc

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3
Q

deficiencia de zinc

A

desnutricion, en infecciones, en diabeter.
costras, diarra cronica, suscept. infecciones

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4
Q

hipoglucemia producida por alcohol, pq

A

debido a la reducción
de la gluconeogénesis (piruvato ­> lactato)

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5
Q

desnutricion asociada al alcol

A

def de tiamina/B1

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6
Q

que inhibe y q estimula el alcohol

A

*inhibe
oxidación de ácidos grasos y ciclo del citrato, *Estimula
los ácidos grasos, los triglicéridos y síntesis de cuerpos cetónicos

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7
Q

como se activa la vit B1

A

Por una fosforilacion intracelular de tiamina a pirofosfato de tiamina

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8
Q

vit B1

A

como pirofosfaato, cofactor de enzimas edl metabolismo de carbs y aa
para descarboxilaciones oxidativas
deshigrogenasa del piruvato
trascetolasa en la ribusa 5 fosfato.
degradacion de valina, leucina, e isoleucina

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9
Q

hipovitaminosis b1

A

beriberi x desnutricion
encefalopatia de wernicke
anemia megaloblastica sensible a tiamina

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10
Q
A
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