Cell Respiration Quiz

What is the role of NAD in cell respiration?

• Carrier of oxygen

• Carrier of hydrogen and oxidation by removal of hydrogen

• Carrier of carbon dioxide

• Carrier of glucose

What is the net yield of ATP and reduced NAD from the conversion of glucose to pyruvate?

• No yield

• Only ATP

• Only reduced NAD

• ATP and reduced NAD

Which process involves the oxidation and decarboxylation of acetyl groups in the Krebs cycle?

• Glycolysis

• Anaerobic respiration

• Aerobic cell respiration

• Photosynthesis

What is the role of oxygen in aerobic cell respiration?

• Initial electron donor

• Terminal electron acceptor

• Energy source

• Proton donor

Where does anaerobic respiration occur?

• Mitochondria

• Cytosol

• Nucleus

• Chloroplast

What is the net production of ATP in anaerobic respiration?

• 2 ATP

• 4 ATP

• 6 ATP

• 8 ATP

During glycolysis, glucose is split into two molecules of what compound?

• Lactate

• Ethanol

• Pyruvate

• Acetyl CoA

In the absence of oxygen, pyruvate is converted into what substance in animals?

• Ethanol

• Lactic acid

• Carbon dioxide

• Acetyl CoA

Which process involves the conversion of pyruvate into ethanol and carbon dioxide in plants and yeasts?

• Glycolysis

• Fermentation

• Krebs Cycle

• Electron Transport Chain

What is the total ATP yield from aerobic respiration?

• 10 ATP

• 20 ATP

• 30 ATP

• 40 ATP