5 Cellular Respiration

What electron carriers are used in cellular respiration?

• NADH

• NADPH

• FADH₂

• O₂

What stage of cellular respiration is anaerobic?

• Krebs Cycle
• Electron Transport Chain
• Glycolysis
• Calvin Cycle

What stage of cellular respiration occurs in the cytoplasm?

• Citric Acid Cycle

• Electron Transport Chain
• Glycolysis
• Calvin Cycle

What are the products of glycolysis?

• Pyruvic Acid

• ATP

• NADH

• FADH₂

What are the products of the Krebs cycle?

• Citric Acid

• ATP

• NADH

• FADH₂

• CO₂

What is the final electron acceptor in the ETC?

• O₂

• ATP

• NADH

• FADH₂

• CO₂

NADH and FADH₂ pass their high energy electrons to ___.

• The electron transport chain

• The final electron acceptor, oxygen

• The Krebs cycle

• Photosystem I and II

As the high energy electrons are transported down the ETC, energy is released.

What is this energy used for?

• This energy is used to pump protons across the inner mitochondrial membrane.

• This energy is used to break down glucose.

• This energy is used to synthesize ATP directly.

• This energy is used to create water.

Glycolysis produces a net gain of ___ ATP molecules per molecule of glucose.

• 1

• 2

• 4