Cellular Respiration Review

Which of the following is the primary molecule that cells use for energy?

• Glucose

• DNA

• ATP

• RNA

In which organelle does cellular respiration occur?

• Nucleus

• Golgi apparatus

• Mitochondria

• Endoplasmic reticulum

Tags

NGSS.HS-LS1-7

Which stage of cellular respiration occurs in the cytoplasm and doesn't require oxygen?

• Glycolysis

• Krebs cycle

• Electron transport chain

• Oxidative phosphorylation

Tags

NGSS.HS-LS2-3

How many ATP molecules are produced during glycolysis?

• 2

• 4

• 36

• 38

During glycolysis, one molecule of glucose is converted into:

• Two molecules of pyruvate

• Four molecules of ATP

• Eight molecules of water

• None of the above

The final electron acceptor in the electron transport chain is:

• NADH

• FADH2

• Oxygen

• Pyruvate

Tags

NGSS.HS-LS1-7

Which of the following molecules carries high-energy electrons to the electron transport chain in cellular respiration?

• NAD+

• FAD

• NADH

• ATP

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

During which step of cellular respiration is carbon dioxide produced?

• Glycolysis

• Krebs cycle

• Electron transport chain

• Pyruvate oxidation

Tags

NGSS.HS-LS2-3

What is the role of oxygen in cellular respiration?

• It is the final electron acceptor in the electron transport chain.

• It is a reactant in glycolysis.

• It is converted into carbon dioxide during the Krebs cycle.

• It is used to synthesize glucose in the mitochondria.

Tags

NGSS.HS-LS1-7

Which of the following molecules is NOT produced during the Krebs cycle?

• NADH

• FADH2

• ATP

• Pyruvate