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    Campbell Biology in Focus Study Set 1
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    Exam 7: Cellular Respiration and Fermentation
  5. Question
    What Is the Source of the Oxygen Used to Form
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What Is the Source of the Oxygen Used to Form

Question 1

Question 1

Multiple Choice

What is the source of the oxygen used to form water in the complete reactions of cellular respiration?


A) carbon dioxide (CO₂)
B) glucose (C₆H₁₂O₆)
C) pyruvate (C₃H₃O₃-)
D) molecular oxygen (O₂)

Correct Answer:

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