Cellular Respiration Quiz

What is the primary purpose of cellular respiration?

• To synthesize proteins

• To create oxygen

• To produce glucose

• To generate ATP

Where does glycolysis occur within the cell?

• In the mitochondria

• In the cytosol

• In the nucleus

• In the chloroplast

Which molecule is a direct product of glycolysis?

• FADH2

• Acetyl CoA

• Carbon dioxide

• Pyruvate

What is the main location of the Krebs cycle?

• Inner mitochondrial matrix

• Cytosol

• Nucleus

• Outer mitochondrial membrane

Which of the following is a byproduct of the Krebs cycle?

• Oxygen

• Water

• Carbon dioxide

• Glucose

What is the role of NADH and FADH2 in cellular respiration?

• To transport electrons to the electron transport chain

• To generate oxygen

• To synthesize glucose

• To break down proteins

Where does the electron transport chain occur?

• In the cytosol

• Across the inner mitochondrial membrane

• In the nucleus

• In the chloroplast

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

• ATP

• Oxygen

• Carbon dioxide

• Water

What enzyme is crucial for ATP synthesis in the electron transport chain?

• ATP synthase

• DNA polymerase

• Hexokinase

• Rubisco

What is the main outcome of oxidative phosphorylation?

• Release of oxygen

• Production of glucose

• Generation of a proton gradient

• Synthesis of a large amount of ATP