Cellular Respiration and ATP Synthesis Quiz

Where does the citric acid cycle occur?

• Intermembrane space

• Mitochondrial matrix

• Cytoplasm

• Nucleus

What is the function of the electron transport chain?

• To synthesize ATP

• To convert ATP to ADP

• To convert NADH to FADH2

• To produce NADH

Where does oxidative phosphorylation occur?

• Intermembrane space

• Nucleus

• Mitochondrial matrix

• Cytoplasm

What is the role of ATP synthase in oxidative phosphorylation?

• To convert NADH to FADH2

• To transport protons from the matrix to the intermembrane space

• To catalyze the hydrolysis of ATP

• To synthesize ATP using the proton-motive force

Which complex in the electron transport chain transfers electrons from reduced cytochrome c to O2?

• Complex III

• Complex IV

• Complex II

• Complex I

What is the net production of ATP via catabolic pathways from the complete oxidation of glucose?

• 15 ATP

• 30 ATP

• 32 ATP

• 36 ATP

What is the main function of the citric acid cycle?

• To produce NADH

• To convert NADH to FADH2

• To convert acetyl groups to CO2 and produce NADH, FADH2, and GTP

• To synthesize ATP

Where does the pyruvate dehydrogenase complex catalyze the reaction of oxidative decarboxylation of pyruvate?

• Intermembrane space

• Nucleus

• Mitochondrial matrix

• Cytoplasm

What is the role of the pyruvate dehydrogenase complex?

• To convert ATP to ADP

• To synthesize ATP

• To convert pyruvate to acetyl-CoA

• To produce NADH

What is the function of the adenine nucleotide translocase in the mitochondria?

• To transport ATP out and ADP in

• To convert NADH to FADH2

• To transport protons from the matrix to the intermembrane space

• To synthesize ATP using the proton-motive force