Electron transport chain

Where is the ETC located

• Mitochondria

• Nucleus

• Cyotplasm

• Inner mitochondrial membrane

In the electron transport chain, Oxygen acts as...

• a carrier of electrons, passing electrons down the chain

• a reducing agent

• the final electron acceptor

• a coenzyme

When protons are pumped outside the matrix, across the inner membrane...

• water is made

• a concentration gradient of H⁺ ions (protons) is created

• NADH gets reduced

• CO₂ is produced

The movement of protons (H⁺ ions) through ATP synthase occurs from the...

• matrix to the intermembrane space

• matrix to cytoplasm

• intermembrane space to the matrix

• intermembrane space to the cytoplasm

• cytoplasm to the intermembrane space

The movement of protons (H⁺ ions) through ATP synthase occurs from the...

• matrix to the intermembrane space

• matrix to cytoplasm

• intermembrane space to the matrix

• intermembrane space to the cytoplasm

• cytoplasm to the intermembrane space

What does FADH2 and NADH bring to the electron transport chain?

• Oxygen

• Water

• Electron

• ATP

ATP synthesis by ATP synthase is driven by

• H⁺ movement

• electron movement

• NADH movement

• FADH₂ movement

The conversion of glucose to two molecules of pyruvate is the result of what process?

• the krebs cycle
• glycolysis
• the electron transport chain
• oxidative phosphorylation

What does ATP synthase do?

• Create ATP in chemiosmosis.
• Break down ATP in chemiosmosis.
• Break down NADPH. 
• Create NADPH.

When protons are pumped outside the matrix, across the inner membrane...

• water is made

• a concentration gradient of H⁺ ions (protons) is created

• NADH gets reduced

• CO₂ is produced