Cellular Respiration: An Overview

What is the primary purpose of cellular respiration?

• To break down glucose and produce ATP

• To convert oxygen into carbon dioxide

• To store energy in the form of glucose

• To produce glucose from carbon dioxide

Where does glycolysis occur within the cell?

• Cytosol

• Mitochondrial matrix

• Inner mitochondrial membrane

• Nucleus

Which stage of cellular respiration directly requires oxygen?

• Oxidative phosphorylation

• Glycolysis

• Pyruvate oxidation

• Citric acid cycle

What molecule is formed when acetyl CoA combines with oxaloacetate in the citric acid cycle?

• Citrate

• Pyruvate

• Glucose

• Lactate

How many ATP molecules are produced per glucose molecule during glycolysis?

• Two

• Four

• Six

• Eight