30 Questions
Which enzyme phosphorylates glycerol to glycerol phosphate?
Glycerol kinase
What is the final product of gluconeogenesis?
Glucose
What is the role of dihydroxyacetone phosphate in glycolysis?
It is a substrate for glyceraldehyde-3-phosphate dehydrogenase
How many ATP molecules are used in gluconeogenesis?
4
What is the fate of glycerol released during the hydrolysis of triacylglycerols in adipose tissue?
It is converted to glucose in the liver
What is the role of NADH in gluconeogenesis?
It is oxidized to NAD+
Which enzyme oxidizes glycerol phosphate to dihydroxyacetone phosphate?
Glycerol phosphate dehydrogenase
What is the role of GTP in gluconeogenesis?
It is used to form glucose-6-phosphate
What is the role of NAD+ in glycolysis?
It is a cofactor for glyceraldehyde-3-phosphate dehydrogenase
What is the role of Pi in gluconeogenesis?
It is used to form glucose-6-phosphate
Which enzyme phosphorylates glycerol to glycerol phosphate?
Glycerol kinase
What is the final product of gluconeogenesis?
Glucose
What is the role of dihydroxyacetone phosphate in glycolysis?
It is a substrate for glyceraldehyde-3-phosphate dehydrogenase
How many ATP molecules are used in gluconeogenesis?
6
What is the fate of glycerol released during the hydrolysis of triacylglycerols in adipose tissue?
It is converted to glucose in the liver
What is the role of NADH in gluconeogenesis?
It is oxidized to NAD+
Which enzyme oxidizes glycerol phosphate to dihydroxyacetone phosphate?
Glycerol phosphate dehydrogenase
What is the role of GTP in gluconeogenesis?
It is used to form glucose-6-phosphate
What is the role of NAD+ in glycolysis?
It is a cofactor for glyceraldehyde-3-phosphate dehydrogenase
What is the role of Pi in gluconeogenesis?
It is used to form glucose-6-phosphate
During gluconeogenesis, how many ~P bonds of ATP and GTP are used?
6
What is the end product of gluconeogenesis?
glucose
Where is glycerol released from during the hydrolysis of triacylglycerols?
adipose tissue
What is glycerol kinase responsible for during the metabolism of glycerol?
phosphorylating glycerol
What is the role of glycerol phosphate dehydrogenase during the metabolism of glycerol?
oxidizing glycerol phosphate
What is the starting molecule for gluconeogenesis?
pyruvate
What is the end product of the metabolism of glycerol?
dihydroxyacetone phosphate
Where is glycerol phosphate dehydrogenase located?
liver tissue
What is the role of NADH during gluconeogenesis?
to be oxidized to NAD+
What is the role of GTP during gluconeogenesis?
to be oxidized to GDP
Test your knowledge on the energy-demanding process of gluconeogenesis and the release of glycerol from triacylglycerols in adipose tissue with this quiz. Explore the intricate details of the biochemical reactions involved in the conversion of pyruvate and glycerol to glucose and dihydroxyacetone phosphate. Challenge yourself to recall the number of ATP and GTP bonds used, and the enzymes responsible for the phosphorylation and oxidation of glycerol. Take the quiz now and master
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