OXIDATIVE PHOSPHORYLATION

What is the final electron acceptor in oxidative phosphorylation?

• Oxygen
• Carbon dioxide
• Glucose
• Water

Which enzyme is responsible for the synthesis of ATP in oxidative phosphorylation?

• ATP synthase
• NADH dehydrogenase
• Krebs cycle
• Glycolysis

What is the primary function of oxidative phosphorylation?

• To produce ATP
• To transport ions
• To synthesize proteins
• To store genetic information

Which molecule donates electrons to the electron transport chain in oxidative phosphorylation?

• NADH
• ADP
• Glucose
• ATP

Which complex of the electron transport chain pumps protons across the inner mitochondrial membrane?

• Complex III
• Complex I
• Complex IV
• Complex II

What is the role of FADH2 in oxidative phosphorylation?

• Donates electrons directly to the electron transport chain
• Regulates the activity of ATP synthase
• Serves as the final electron acceptor
• Produces ATP directly

What is the primary source of electrons for oxidative phosphorylation?

• NADH
• ATP
• FADH2
• GTP

Which molecule is produced as a byproduct of oxidative phosphorylation?

• Water
• Lactic acid
• Carbon dioxide
• Ethanol

Which complex of the electron transport chain is responsible for transferring electrons to oxygen?

• Complex IV
• Complex III
• Complex I
• Complex II

Which complex of the electron transport chain pumps protons across the inner mitochondrial membrane?

• Complex III (cytochrome c reductase)
• Complex II (succinate dehydrogenase)
• Complex IV (cytochrome c oxidase)
• Complex I (NADH dehydrogenase)