Consider the Scenario of Two Scientists Conducting an Experiment to Track

question 6

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 t level of radioactivity. Which product(s) would you expect to be radioactive?

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