Aerobic Respiration and Oxidative Phosphorylation

What is the final stage of aerobic respiration?

• Glycolysis

• Krebs cycle

• Oxidative phosphorylation

• Electron transport chain

Where does oxidative phosphorylation occur?

• Cytoplasm

• Nucleus

• Mitochondria

• Endoplasmic reticulum

What are the final products of the reduced coenzymes in oxidative phosphorylation?

• Protons and electrons

• Water molecules

• Carbon dioxide

• ATP

Which coenzyme carries one proton in oxidative phosphorylation?

• Reduced NAD

• Reduced FAD

• Reduced ATP

• Reduced CoA

What is the purpose of the electron transport chain in oxidative phosphorylation?

• To release energy

• To generate ATP

• To produce water

• To carry protons

What is the process called when protons diffuse across ATP synthase?

• Chemiosmosis

• Osmosis

• Active transport

• Diffusion

What is the terminal electron acceptor in oxidative phosphorylation?

• Protons

• Electrons

• Oxygen

• ATP synthase

Why is oxygen not involved until the final stage of respiration?

• It is not required for ATP production

• It denatures ATP synthase

• It combines with protons and electrons to make water

• It is consumed in the Krebs cycle

What is the main goal of oxidative phosphorylation?

• To generate ATP

• To produce carbon dioxide

• To release energy

• To carry electrons

Why is it important to get rid of accumulated protons and electrons in the mitochondria?

• To decrease pH

• To increase ATP production

• To denature important proteins

• To generate water molecules