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What is responsible for the movement of protons across the mitochondrial membrane to generate an electrochemical gradient?

• Aquaporins

• ATP synthase

• NADH

• Rubisco gene

Which molecule is an important electron carrier in the mitochondrion that can carry two electrons and one hydrogen?

• GTP

• NAD+

• FADH

• ATP

What is the primary function of NADH in the electron transport chain of mitochondria?

• Production of water

• Release of oxygen

• Transport of electrons

• Synthesis of ATP

What is the main generator of the proton-motive force in mitochondria?

• Electron transport chain

• ATP synthase

• Proton gradient

• NADH

Which process is responsible for the synthesis of ATP in mitochondria using the electrochemical proton gradient?

• Chemiosmotic coupling

• Photosynthesis

• Citric acid cycle

• Glycolysis

What is the fate of the energy derived from oxidation in mitochondria?

• Stored as heat energy

• Stored as chemical energy

• Released as light energy

• Released as sound energy

Which organelle is essential for cellular metabolism and is responsible for most metabolic reactions?

• Lysosome

• Golgi apparatus

• Endoplasmic reticulum

• Mitochondrion

What is the primary function of the electron transport chain in mitochondria?

• Production of amino acids

• Production of ATP

• Production of lipids

• Production of glucose

Which molecule is transformed into NADH as an input for the citric acid cycle in mitochondria?

• Pyruvate

• Fatty acids

• Glucose

• Ketone bodies

What is the role of ATP synthase in mitochondria?

• Producing NADH

• Pumping protons

• Generating ATP

• Releasing oxygen