Consider the Scenario of Two Scientists Conducting an Experiment to Track

question 25

Multiple Choice

Consider the scenario of two scientists conducting an experiment to track what happens to the carbon atoms from CO₂ molecules used during the Calvin cycle of photosynthesis. They add a radioactive ?tag? to the carbon atoms of the CO₂ reactants and then collect the products following the reactions. They analyze the products for their level of radioactivity. Which product(s) would you expect to be radioactive?

• A) Glucose only
• B) ATP only
• C) Both water and glucose
• D) Water only
• E) Both ATP and water

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