AP Biology - Cell Respiration Quiz

Energy is released from ATP when

• a phosphate group is added
• adenine bonds to ribose
• ATP is exposed to sunlight
• a phosphate group is removed

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Where does glycolysis occur?

• mitochondrial matrix
• cytoplasm
• inner membrane of mitochondria
• outer membrane of mitochondria

Which of the following is not an end product of the Kreb's cycle?

• NADH

• CO₂

• pyruvate

• ATP

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NGSS.HS-LS1-7

How does the amount of energy resulting from fermentation compare with that of aerobic respiration?

• Aerobic respiration results in less energy.

• Aerobic respiration results in more energy.

• Each process results in equal amounts of energy.

• Neither process produces energy

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Which of the following is a product of the Electron Transport Chain?

• CO₂

• O₂

• C₆H₁₂0₆

• H₂O

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NGSS.HS-LS1-7

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-LS2-3

A weightlifter is using heavy weights in short bursts for a competition. Because his muscle cells are not able to take in enough oxygen to make very much ATP the weightlifter begins to get fatigue in his muscles. Which of the following processes is most likely going on in the muscles of the weightlifter as he competes in his event?

• As the cells run out of oxygen they switch to anaerobic respiration (fermentation), which allows the cell to make small amounts of ATP in the absence of oxygen.

• As the cells run out of oxygen, they die off gradually and the weightlifter's muscles have fewer contracting muscle cells.

• The cells will never run out of oxygen if the weightlifter is breathing.

• As the cells run out of oxygen, they will continue to make the same amount of ATP, since oxygen is not required to make ATP.

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What are the products for the first step of Cell Respiration? (what comes out of step #1)

• Pyruvate, NADH, and 2 ATP

• CO2, NADH, FADH, and 2 ATP

• H2O and 34 ATP

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