How well do you know gluconeogenesis?
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How well do you know gluconeogenesis?

Test your knowledge on the regulation of gluconeogenesis with this quiz! From oxaloacetate decarboxylation to fructose-1,6-bisphosphate conversion, this quiz will challenge your understanding of the biochemical reactions and enzymes involved in this crucial metabolic pathway. Brush up on your knowledge of PEPCK and F1,6BPase regulation and see how well you know the key players in gluconeogenesis.

Created by
@CourteousEpiphany

Questions and Answers

Which enzyme catalyzes the conversion of fructose-1,6-bisphosphate to fructose-6-phosphate in gluconeogenesis?

Fructose-1,6-bisphosphatase

Which molecule is produced by the decarboxylation of oxaloacetate in gluconeogenesis?

Phosphoenolpyruvate

Which reaction in gluconeogenesis is a major point of control, similar to the regulation of glycolysis at the PFK-1 reaction?

Conversion of fructose-1,6-bisphosphate to fructose-6-phosphate

Which molecule is used to enable phosphorylation during the decarboxylation of oxaloacetate in gluconeogenesis?

<p>GTP</p> Signup and view all the answers

Which enzyme catalyzes the conversion of pyruvate to oxaloacetate in gluconeogenesis?

<p>Pyruvate carboxylase</p> Signup and view all the answers

Which molecule is produced by the reaction catalyzed by phosphoenolpyruvate carboxykinase (PEPCK) in gluconeogenesis?

<p>Phosphoenolpyruvate</p> Signup and view all the answers

Which molecule is converted to fructose-1,6-bisphosphate in glycolysis?

<p>Fructose-6-phosphate</p> Signup and view all the answers

Which enzyme catalyzes the conversion of glucose-6-phosphate to glucose in gluconeogenesis?

<p>Glucose-6-phosphatase</p> Signup and view all the answers

Which molecule is produced by the reaction catalyzed by pyruvate carboxylase in gluconeogenesis?

<p>Oxaloacetate</p> Signup and view all the answers

Which molecule is converted to fructose-6-phosphate in glycolysis?

<p>Glyceraldehyde-3-phosphate</p> Signup and view all the answers

Which enzyme catalyzes the conversion of fructose-1,6-bisphosphate to fructose-6-phosphate in gluconeogenesis?

<p>Fructose-1,6-bisphosphatase</p> Signup and view all the answers

Which molecule is produced by the decarboxylation of oxaloacetate in gluconeogenesis?

<p>Phosphoenolpyruvate</p> Signup and view all the answers

Which reaction in gluconeogenesis is a major point of control, similar to the regulation of glycolysis at the PFK-1 reaction?

<p>Conversion of fructose-1,6-bisphosphate to fructose-6-phosphate</p> Signup and view all the answers

Which molecule is used to enable phosphorylation during the decarboxylation of oxaloacetate in gluconeogenesis?

<p>GTP</p> Signup and view all the answers

Which enzyme catalyzes the conversion of pyruvate to oxaloacetate in gluconeogenesis?

<p>Pyruvate carboxylase</p> Signup and view all the answers

Which molecule is produced by the reaction catalyzed by phosphoenolpyruvate carboxykinase (PEPCK) in gluconeogenesis?

<p>Phosphoenolpyruvate</p> Signup and view all the answers

Which molecule is converted to fructose-1,6-bisphosphate in glycolysis?

<p>Fructose-6-phosphate</p> Signup and view all the answers

Which enzyme catalyzes the conversion of glucose-6-phosphate to glucose in gluconeogenesis?

<p>Glucose-6-phosphatase</p> Signup and view all the answers

Which molecule is produced by the reaction catalyzed by pyruvate carboxylase in gluconeogenesis?

<p>Oxaloacetate</p> Signup and view all the answers

Which molecule is converted to fructose-6-phosphate in glycolysis?

<p>Glyceraldehyde-3-phosphate</p> Signup and view all the answers

Which enzyme catalyzes the conversion of fructose-1,6-bisphosphate to fructose-6-phosphate in gluconeogenesis?

<p>Fructose-1,6-bisphosphatase</p> Signup and view all the answers

What is the product of oxaloacetate decarboxylation in gluconeogenesis?

<p>PEP</p> Signup and view all the answers

Which reaction in gluconeogenesis is a major point of control, similar to the regulation of glycolysis at the PFK-1 reaction?

<p>Fructose-1,6-bisphosphate conversion to fructose-6-phosphate</p> Signup and view all the answers

What is the enzyme responsible for catalyzing the reaction that releases the energy needed to enable phosphorylation by GTP in gluconeogenesis?

<p>Phosphoenolpyruvate carboxykinase</p> Signup and view all the answers

What is the end product of gluconeogenesis?

<p>Glucose-6-phosphate</p> Signup and view all the answers

Which molecule is converted to phosphoenolpyruvate in gluconeogenesis?

<p>Fructose-1,6-bisphosphate</p> Signup and view all the answers

Which enzyme catalyzes the conversion of fructose-6-phosphate to glucose-6-phosphate in gluconeogenesis?

<p>Glucose-6-phosphatase</p> Signup and view all the answers

What is the role of GTP in gluconeogenesis?

<p>To release energy needed for phosphorylation</p> Signup and view all the answers

Which molecule is converted to fructose-6-phosphate by fructose-1,6-bisphosphatase in gluconeogenesis?

<p>Fructose-1,6-bisphosphate</p> Signup and view all the answers

Which enzyme catalyzes the conversion of pyruvate to oxaloacetate in gluconeogenesis?

<p>Phosphoenolpyruvate carboxykinase</p> Signup and view all the answers

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