Carbohydrate Metabolism Pathways Quiz
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Questions and Answers

What is the main purpose of glycogenolysis in carbohydrate metabolism?

  • Biosynthesis of ribose
  • Degradation of glycogen (correct)
  • Biosynthesis of glycogen
  • Re-synthesis of glucose from pyruvate

In which cellular compartment does glycolysis primarily occur?

  • Endoplasmic reticulum
  • Cytoplasm (correct)
  • Mitochondria
  • Nucleus

How many ATP molecules are consumed in the energy investment stage of glycolysis?

  • 3 ATP
  • 2 ATP (correct)
  • 1 ATP
  • 4 ATP

What is the enzyme responsible for catalyzing the phosphorylation of glucose in glycolysis?

<p>Hexokinase (D)</p> Signup and view all the answers

Which stage of glycolysis is characterized by the generation of ATP and NADH?

<p>Energy producing stage (A)</p> Signup and view all the answers

What is the end product of the glycolytic pathway?

<p>Pyruvate (A)</p> Signup and view all the answers

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

<p>Phosphoglucose isomerase (B)</p> Signup and view all the answers

Which molecule is generated as a result of the oxidation of glyceraldehyde-3-phosphate in glycolysis?

<p>NADH (D)</p> Signup and view all the answers

What is the final product of glycolysis?

<p>Pyruvate (A)</p> Signup and view all the answers

Which enzyme catalyzes the conversion of glycerate-1,3-bisphosphate to glycerate-3-phosphate in glycolysis?

<p>Phosphoglycerate kinase (D)</p> Signup and view all the answers

Which molecule contains an enolphosphate group instead of a simple phosphate ester in glycolysis?

<p>Phosphoenolpyruvate (PEP) (C)</p> Signup and view all the answers

What is the fate of pyruvate under aerobic conditions?

<p>Conversion to acetyl-CoA (A)</p> Signup and view all the answers

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