Cellular Respiration Quiz

Where does glycolysis occur?

• Mitochondrial matrix

• Cytoplasm

• Nucleus

• Endoplasmic reticulum

What is the net yield of ATP per glucose molecule in the Krebs Cycle?

• 6 ATP

• 4 ATP

• 2 ATP

• 0 ATP

Which enzyme catalyzes the conversion of isocitrate into Alpha Ketoglutarate in the Krebs Cycle?

• Fumerase

• Succinyl CoA Synthase

• Isocitrate dehydrogenase

• Aconitase

What is the overall equation of anaerobic respiration?

• Glucose + 2 ADP + 2 Pi + 2 NAD+ → 2 Pyruvate + 2 ATP + 2 NADH

• C6H12O6 → C2H5OH + CO2 + energy

• C6H12O6 + 6O2 → 6CO2 + 6H2O + energy

• 2 acetyl groups + 6NAD+ +2 FAD + 2ADP + 2Pi → 4CO2 + 6NADH + 6H+ + 2 FADH2 + 2ATP

What is the electron carrier in the electron transport chain?

• ATP

• FADH2

• NADH

• GTP

What is the enzyme that catalyzes the conversion of glucose into glucose 6-phosphate in glycolysis?

• Phospho-fructokinase

• Isomerase

• Glyceraldehyde 3-phosphate dehydrogenase

• Hexokinase

What is the preparatory step of the Krebs Cycle?

• Oxidation of acetyl CoA into pyruvate

• Conversion of pyruvate into acetyl CoA

• Oxidation of pyruvate into acetyl CoA

• Conversion of acetyl CoA into pyruvate

What is the net yield of ATP per glucose molecule in the Electron Transport Chain?

• 2 ATP

• 0 ATP

• 36 ATP

• 34 ATP

What is the final product of glycolysis?

• Pyruvate

• Glucose

• ATP

• NADH

Which molecule is the starting substrate for the Krebs Cycle?

• Pyruvate

• Acetyl CoA

• Glucose

• Fructose 6-phosphate