Beta - Reduccion - Postclase
Quiz
•
Chemistry
•
University
•
Practice Problem
•
Medium
Francisco Gonzalez
Used 8+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La enzima reguladora de la biosíntesis de ácidos grasos __________ es regulada positivamente en presencia de __________
Acetil CoA carboxilasa//Glucagon
CAT 1 //Glucagon
Acetil CoA carboxilasa//Insulina
CAT 1//Insulina
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Los acidos grasos sintetizados por beta reducción en el hígado son transportados en la circulación sistémica por medio de .....
Quilomicrones
HDL
VLDL
LDL
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La enzima reguladora de la beta reducción requiere de.....
Biotina, FMN, ATP
ATP, Biotina, CO2
ATP, Biotina, Malonil CoA
ATP, Acetil CoA, Malonil CoA y CO2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ante un aumento de Acetil CoA proveniente del consumo excesivo de carbohidratos, se favorece la acción de la ___________ para atravesar la membrana mitocondrial interna y generar Acetil CoA y Oxalacetato en el citosol.
Lanzadera de carnitina
Lanzadera de glicerol 3 fosfato
Lanzadera malato-aspartato
Lanzadera de citrato
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El malato generado a partir del oxalacetato es oxidado por medio de ________ para generar ________ como equivalente reductor, que sera ocupado para la biosíntesis de ácidos grasos
Malato deshidrogenasa //NADPH
Enzima malica // NADPH
Malato deshidrogenasa // NADH+H
Enzima malica // NADH+H
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
En presencia de Malonil CoA, la actividad de __________ queda reducida ya que dicho metabolito es un inhibidor alosterico de _________
Beta - Oxidacion // CAT-1
Beta - Reduccion// Acetil CoA carboxilasa
Sintesis de Cuerpos cetonicos // HMG CoA sintasa
Sintesis de colesterol //HMG CoA reductasa
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ante un aumento de la relación insulina/glucagon se favorecerá:
Beta-Oxidacion
Beta-Reduccion
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