Understanding Cellular Respiration

What is the first step of cellular respiration?

• Krebs Cycle

• Glycolysis

• Electron Transport Chain

• Fermentation

How many ATP molecules are produced during glycolysis?

• 1

• 2

• 4

• 6

Tags

NGSS.HS-LS2-3

Which of the following is a product of glycolysis?

• Oxygen

• Pyruvate

• Carbon Dioxide

• Water

Tags

NGSS.HS-LS1-7

Compare the ATP yield of aerobic and anaerobic respiration.

• Aerobic produces more ATP than anaerobic.

• Anaerobic produces more ATP than aerobic.

• Both produce the same amount of ATP.

• Neither produces ATP.

Tags

NGSS.HS-LS2-3

Explain why glycolysis is considered an anaerobic process.

• It requires oxygen to proceed.

• It does not require oxygen to proceed.

• It produces oxygen as a byproduct.

• It occurs in the mitochondria.

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NGSS.HS-LS2-3

What is the main purpose of glycolysis in cellular respiration?

• To produce oxygen

• To break down glucose into pyruvate

• To convert pyruvate into carbon dioxide

• To generate water

Calculate the net gain of ATP from one molecule of glucose after glycolysis.

• 1 ATP

• 2 ATP

• 3 ATP

• 4 ATP

Describe the role of NADH in cellular respiration.

• It acts as a final electron acceptor.

• It carries electrons to the electron transport chain.

• It breaks down glucose.

• It produces ATP directly.

Tags

NGSS.HS-LS1-7

What is the balanced chemical equation for cellular respiration?

Tags

NGSS.HS-LS1-7

Identify the stage of cellular respiration that occurs in the mitochondria.

• Glycolysis

• Krebs Cycle

• Fermentation

• Photosynthesis