Aerobic Respiration Quiz

What is the primary difference between photosynthesis and respiration in terms of direction?

• Photosynthesis and respiration both convert ATP to glucose.

• Photosynthesis and respiration both convert glucose to ATP.

• Photosynthesis converts ATP to glucose, while respiration converts glucose to ATP.

• Photosynthesis converts glucose to ATP, while respiration converts ATP to glucose.

Where does glycolysis occur within the cell?

• In the chloroplast

• In the nucleus

• In the cytoplasm

• In the mitochondria

What is the net gain of ATP molecules during glycolysis?

• 8 ATP

• 6 ATP

• 4 ATP

• 2 ATP

How many times does the Krebs cycle turn for each glucose molecule?

• Once

• Three times

• Four times

• Twice

What is the role of oxaloacetate in the Krebs cycle?

• It starts the cycle by combining with acetyl CoA.

• It is the final product of glycolysis.

• It is used to transport electrons.

• It is a byproduct of ATP synthesis.

Where does the electron transport chain occur in the mitochondria?

• In the outer membrane

• In the intermembrane space

• On the inner membrane

• In the matrix

What is the main function of the proton pump in the electron transport chain?

• To produce carbon dioxide

• To synthesize NADH

• To create an electrochemical gradient

• To generate glucose

How many ATP molecules can one NADH molecule produce during the electron transport chain?

• 3 ATP

• 1 ATP

• 4 ATP

• 2 ATP

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

• NAD+

• Carbon dioxide

• Oxygen

• Water

Under ideal conditions, how many ATP molecules are produced in total during aerobic respiration?

• 34 ATP

• 28 ATP

• 38 ATP

• 32 ATP