AP BIO - Unit 3 - Review - Cellular Respiration

Which process is the largest contributor to the release of CO₂ 

• Citric Acid Cycle or Krebs Cycle
• Pyruvate Oxidation
• Glycolysis
• Oxidative Phosphorylation 

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NGSS.HS-LS1-7

What enzyme in the ETC is responsible for generating the ATP molecules?

• ATPase
• ATP synthase
• Hexokinase
• none of the above

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NGSS.HS-LS1-7

Where does ETC occur?

• Mitochondrial matrix
• Outer mitochondrial membrane
• Inner mitochondrial membrane
• Cytosol

Which process takes place in the presence of oxygen and produces nearly 20 times as much as ATP as glycolysis alone?

• photosynthesis
• lactic acid fermentation
• aerobic respiration
• alcoholic fermentation

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NGSS.HS-LS1-7

NGSS.HS-LS2-3

Two different species of bacteria are examined. Scientists find that species X always produces CO2 and H2O during cellular respiration. Species Y always produces ethyl alcohol and CO2. Which conclusion can be made from these observations?

• Only species Y is aerobic.
• Only species Y is anaerobic
• Both species X and Y are aerobic.
• Both species X and Y are anaerobic.

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NGSS.HS-LS1-7

NGSS.HS-LS2-3

The ATP's of glycolysis are produced through

• chemiosmosis
• substrate-level phosphorylation

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NGSS.HS-LS1-7

What is the main purpose of the Krebs cycle?

• to produce ATP
• to produce electron donators
• to produce water
• to produce carbon dioxide

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NGSS.HS-LS1-7

NGSS.HS-LS2-3

Which molecules are made during the Krebs Cycle to power the electron transport chain?

• ATP and CO₂
• ATP and NADH
• NADH and FADH₂
• ADP, NAD⁺ and FAD⁺

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NGSS.HS-LS1-7

NGSS.HS-LS2-3

What is the correct equation for cellular respiration?

• 6O₂ + C₆H₁₂O₆ -> 6CO₂ + 6H₂O + Energy

• 6O₂ + C₆H₁₂O₆ + Energy -> 6CO₂ + 6H₂O

• 6CO₂ + 6H₂O -> 6O₂ + C₆H₁₂O₆ + Energy

• 6CO₂ + 6H₂O + Energy -> 6O₂ + C₆H₁₂O₆

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NGSS.HS-LS1-7

What is cellular respiration?

• the breakdown of glucose to release ATP

• the breakdown of glucose to release NADH

• the breakdown of glucose to release FADH

• the breakdown of glucose to release carbon

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NGSS.HS-LS1-7