Krebs Cycle Quiz

What are the acetyl coas in the Krebs cycle?

• Remains of glucose molecule

• Four carbon molecules

• Six carbon molecules

• Oxaloacetate

What is the name of the four carbon molecule that reacts with acetyl coa?

• Citric acid

• Oxaloacetate

• NADH

• FADH2

What is the result of the oxidation of citric acid?

• NADH and CO2

• FADH2 and ATP

• ADP and phosphate

• NADH and FADH2

What is the purpose of NADH and FADH2 in the Krebs cycle?

• To carry electrons to the electron transport chain

• To produce ATP

• To form oxaloacetate

• To release carbon dioxide

What is the final product of the Krebs cycle?

• Oxaloacetate

• NADH

• FADH2

• Carbon dioxide

What is the name of the molecule that undergoes oxidation in the Krebs cycle?

• Citric acid

• Oxaloacetate

• NADH

• FADH2

What is the purpose of ATP in the Krebs cycle?

• To carry electrons to the electron transport chain

• To produce NADH

• To form oxaloacetate

• To provide energy

What is the role of FADH2 in the Krebs cycle?

• To carry electrons to the electron transport chain

• To produce ATP

• To form oxaloacetate

• To release carbon dioxide

What happens to the starting molecule at the end of the Krebs cycle?

• It is completely oxidized

• It is transformed into a different four carbon molecule

• It is broken down to carbon dioxide

• It is used to form ATP

What is the name of the molecule that results from the oxidation of the four carbon molecule?

• Citric acid

• Oxaloacetate

• NADH

• FADH2