If Photosynthesizing Green Algae Are Provided with CO₂ Containing Heavy

question 24

Multiple Choice

If photosynthesizing green algae are provided with CO₂ containing heavy oxygen (18O) , which of the following molecules produced by the algae (refer to the accompanying figure) would be least likely to contain 18O in subsequent analyses?

• A) glyceraldehyde 3-phosphate (G3
• B) 3-phosphoglycerate
• C) ribulose bisphosphate (RuB
• D) ADP

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