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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?

Hexokinase Signup and view all the answers

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

Energy producing stage Signup and view all the answers

What is the end product of the glycolytic pathway?

Pyruvate Signup and view all the answers

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

Phosphoglucose isomerase Signup and view all the answers

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

NADH Signup and view all the answers

What is the final product of glycolysis?

Pyruvate Signup and view all the answers

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

Phosphoglycerate kinase Signup and view all the answers

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

Phosphoenolpyruvate (PEP) Signup and view all the answers

What is the fate of pyruvate under aerobic conditions?

Conversion to acetyl-CoA Signup and view all the answers