Gluconeogenesis: Building up of Glucose Flashcards
1
Q
It is a metabolic pathway by which glucose is synthesized from noncarbohydrate materials
A
GLUCONEOGENESIS
2
Q
About how many percentages of gluconeogenesis takes place in the liver?
A
90%
3
Q
Pyruvate to glucose conversion requires the expenditure of?
A
4 ATP and 2 GTP
4
Q
What are the three irreversible steps in glycolysis that are bypassed by reactions catalyzed by gluconeogenic enzymes?
A
- Conversion of pyruvate to PEP via
oxaloacetate - Dephosphorylation of fructose 1,6-
bisphosphate - Dephosphorylation of glucose 6-phosphate
5
Q
Formation of one molecule of glucose from pyruvate requires?
A
4 ATP, 2 GTP, and 2 NADH.
