If Photosynthetic Eukaryotic Cells Are Provided with CO₂synthesized with Heavy

question 74

Multiple Choice

If photosynthetic eukaryotic cells are provided with CO₂synthesized with heavy oxygen (¹⁸O) , the¹⁸O label may be found in all but one compound. That compound is ____.

• A) 3-phosphoglycerate
• B) cellulose
• C) glucose
• D) O₂gas
• E) RuBP (ribulose bisphosphate)

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