Cellular Respiration Quiz

Where does glycolysis occur?

• Nucleus

• Endoplasmic reticulum

• Cytoplasm

• Mitochondrial matrix

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

• 6 ATP

• 2 ATP

• 4 ATP

• 8 ATP

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

• Succinyl CoA Synthase

• Isocitrate dehydrogenase

• Pyruvate dehydrogenase

• Aconitase

What is the overall equation of anaerobic respiration?

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

• C6H12O6 → C2H5OH + CO2 + energy

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

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

What is the electron carrier in the electron transport chain?

• Glucose and Fructose

• ADP and Pi

• ATP and GTP

• NADH and FADH2

Which enzyme catalyzes the conversion of glucose 6-phosphate into fructose 6-phosphate in glycolysis?

• Glyceraldehyde 3-phosphate dehydrogenase

• Phospho-fructokinase

• Isomerase

• Hexokinase

What is the overall equation of aerobic respiration?

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

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

• C6H12O6 → C2H5OH + CO2 + energy

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

What is the preparatory step of the Krebs Cycle?

• Conversion of fructose 6-phosphate into fructose 1-6 bisphosphate

• Conversion of malate into oxaloacetate

• Conversion of succinate into fumarate

• Oxidation of pyruvate into acetyl CoA

What is the final product of the Krebs Cycle?

• ATP

• NADH

• FADH2

• CO2

Which molecule enters the Krebs Cycle?

• Pyruvate

• Acetyl CoA

• Malate

• Succinate