Gluconeogénesis
Quiz
•
Biology, Science, Chemistry
•
University
•
Practice Problem
•
Hard
Wilfrido Ramirez Toro
Used 129+ times
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12 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 2 pts
Durante la gluconeogénesis, estás son reacciones que permiten esquivar las reacciones que regulan la glucólisis
Piruvato carboxilasa mit carboxila el piruvato a oxaloacetato
En higado y riñones la succinato tiocinasa produce GTP en el CAC
El oxaloacetato se reduce a malato y se exporta al citosol donde se reoxida a oxaloacetato
Evita la eliminación excesiva de oxaloacetato para la gluconeogénesis
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Dado que el piruvato no puede ser exportado de la mitocondria debido a la permeabilidad de sus membranas, en forma de que molécula sale de la mitocondria?
Malato
Oxaloacetato
Citrato
Succinato
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Enzima que reoxida el malato a oxalacetato en el citosol
Piruvato deshidrogenasa
PEPcarboxicinasa
Piruvato carboxilasa
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Su presencia determina la capacidad de un tejido para sintetizar Glc o glucógeno.
Piruvato deshidrogenasa
PEPcarboxicinasa
Piruvato carboxilasa
Fructosa 1,6-bifosfatasa
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Convierte la glucosa seis fosfato en glucosa
Glucosa seis fosfatasa
PEPcarboxicinasa
Glucocinasa
Hexocinasa
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Los aminoácidos glucogénicos transaminados o desaminados producen piruvato o intermediarios del CAC.
FALSO
VERDADERO
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Proviene de la oxidación de los ácidos grasos de cadena impar, oxidación de ile y cadena lateral del colesterol.
Propionato
Malato
Piruvato
Oxaloacetato
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