Electron Transport Chain Quiz

What is the primary role of the electron transport chain in the mitochondrion?

• To synthesize glucose

• To produce ATP

• To break down proteins

• To store oxygen

Tags

NGSS.HS-LS1-7

Which complex in the electron transport chain is responsible for transferring electrons from NADH?

• Cytochrome oxidase complex

• ATP synthase

• NADH dehydrogenase

• bc1 complex

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

What is the final electron acceptor in the electron transport chain?

• NAD+

• FAD

• Oxygen

• Water

Tags

NGSS.HS-LS1-7

What process follows the electron transport chain to produce ATP?

• Glycolysis

• Pyruvate oxidation

• Chemiosmosis

• Citric acid cycle

Tags

NGSS.HS-LS1-7

Where are most ATP molecules made during cellular respiration?

• In the cytoplasm

• In the mitochondria

• In the nucleus

• In the chloroplasts

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

What role do FADH₂ and NADH molecules play in the electron transport chain (ETC)?

• They supply energy-rich electrons

• They store ATP

• They break down glucose

• They transport oxygen

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

What is the function of the ATP synthase enzyme?

• To break down proteins

• To synthesize ATP

• To transport glucose

• To store oxygen

Tags

NGSS.HS-LS1-7

Why is oxygen (O₂) required to make ATP in mitochondria?

• It provides energy for glycolysis

• It removes electrons from the ETC

• It stores ATP

• It breaks down fatty acids

Tags

NGSS.HS-LS1-7

What effect does cyanide have on ATP synthesis?

• It enhances ATP production

• It stops ATP synthesis

• It has no effect

• It increases glucose breakdown

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

Where is the Electron Transport Chain (ETC) located?

• Outer mitochondrial membrane

• Cytoplasm

• Inner mitochondrial membrane

• Nucleus

Tags

NGSS.HS-LS1-7