Aerobic Respiration Quiz

What is the primary location for glycolysis in a cell?

• Mitochondria

• Cytoplasm

• Nucleus

• Endoplasmic Reticulum

What theory suggests that mitochondria were once free-living bacteria?

• Germ Theory

• Theory of Evolution

• Endosymbiotic Theory

• Cell Theory

What is the first molecule that acetyl CoA combines with in the Krebs cycle?

• Fumarate

• Citrate

• Oxaloacetate

• Isocitrate

Which molecule is produced alongside carbon dioxide during the conversion of isocitrate to alpha-ketoglutarate?

• GTP

• NADH

• FADH2

• ATP

What is the role of FADH2 in the electron transport system?

• It directly produces ATP

• It acts as the final electron acceptor

• It powers two proton pumps

• It powers three proton pumps

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

• Oxygen

• Carbon Dioxide

• Water

• NADH

How many ATP molecules are realistically produced from one glucose molecule during aerobic respiration?

• 30

• 42

• 24

• 38

Which process in aerobic respiration produces the most ATP?

• Glycolysis

• Krebs Cycle

• Electron Transport System

• Fermentation

What is the total number of NADH molecules produced from one glucose molecule during glycolysis and the Krebs cycle?

• 8

• 14

• 10

• 12

What is the main purpose of the electron transport chain in cellular respiration?

• To produce glucose

• To synthesize proteins

• To generate a proton gradient

• To break down fatty acids