Cellular Respiration Quiz

Which of the following is NOT a characteristic of cellular respiration?

• Exergonic multi-step metabolic pathway

• Organic molecules oxidized and disassembled by a series of enzymes

• Energy used to synthesize ATP (which is an endergonic process)

• Oxygen not required for maximum ATP production

What is the initial substrate in glycolysis?

• Pyruvate

• Glucose

• Acetyl CoA

• NADH

Where does glycolysis occur?

• Mitochondria

• Cytosol

• Nucleus

• Ribosome

Which stage of glucose oxidation does NOT require oxygen?

• Glycolysis

• Intermediate stage

• Citric acid cycle

• Electron transport system

What is the final product of glycolysis?

• Glucose

• Acetyl CoA

• Pyruvate

• NADH

Which enzyme catalyzes the intermediate stage of glucose oxidation?

• Pyruvate dehydrogenase

• Hexokinase

• ATP synthase

• Citrate synthase

What is the net production of ATP in glycolysis?

• 1 ATP

• 2 ATP

• 3 ATP

• 4 ATP

Which of the following structures is NOT part of the mitochondrion?

• Cristae

• Matrix

• Cytosol

• Outer compartment

What is the role of the electron transport system in cellular respiration?

• Breakdown of glucose

• Production of pyruvate

• Synthesis of ATP

• Formation of acetyl CoA

Which of the following is formed when pyruvate and coenzyme A (CoA) combine?

• Glucose

• NADH

• Acetyl CoA

• ATP