12 Questions
Where does glycolysis take place?
Cytoplasm
What is the key metabolic intermediate linking glycolysis and the citric acid cycle?
Acetyl-CoA
How many molecules of pyruvate are formed per molecule of glucose in glycolysis?
2
Which enzyme is responsible for the conversion of pyruvate to acetyl-CoA?
Pyruvate dehydrogenase
Which enzyme is responsible for oxidizing isocitrate to generate alpha-ketoglutarate?
Isocitrate dehydrogenase
Which molecule is formed when alpha-ketoglutarate is decarboxylated and oxidized?
Succinyl-CoA
Which enzyme is responsible for converting succinyl-CoA into succinate?
Succinyl-CoA synthetase
Which enzyme is embedded in the inner mitochondrial membrane and is a component of the electron transport chain?
Succinate dehydrogenase
Which molecule does succinate dehydrogenase use to accept electrons?
FAD
Which enzyme is responsible for converting fumarate to malate?
Fumarase
Which molecule is oxidized to re-form oxaloacetate and reduce a molecule of NAD+ to NADH?
Malate
What is the final product that combines with another acetyl-CoA in the next cycle of the citric acid cycle?
Oxaloacetate
Test your knowledge of cellular respiration by taking this quiz on the metabolic intermediate that links glycolysis and the citric acid cycle. This quiz covers the conversion of pyruvate to acetyl-CoA and its role in energy production within the cell.
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