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10 Questions

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Glucose Metabolic Pathways

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Questions and Answers

What is the common pathway where glucose and other carbohydrates are oxidized to pyruvate?

Glycolysis (correct)

Pentose phosphate pathway

Fatty acid synthesis

Citric acid cycle

Which amino acids are converted to pyruvate?

Glycine and glutamate

Threonine and tyrosine

Leucine and lysine

Alanine and serine (correct)

What is the enzyme responsible for oxidizing pyruvate to acetyl CoA?

Pyruvate dehydrogenase complex (PDC) (correct)

Aconitase

Citrate synthase

Pyruvate kinase

What inhibits PDC kinase?

ADP and pyruvate Signup and view all the answers

What is the final step in all the major pathways of fuel oxidation?

The citric acid cycle Signup and view all the answers

What activates PDC phosphatase?

Ca2+ and ATP Signup and view all the answers

What is the location of the Krebs cycle reactions?

Mitochondrial matrix Signup and view all the answers

What type of reactions occur in the Krebs cycle?

Oxidation–reduction reactions and decarboxylation reactions Signup and view all the answers

What is released during the Krebs cycle reactions?

CO2 and H2O Signup and view all the answers

Who is named for the Krebs cycle?

Hans Krebs Signup and view all the answers