A scientist uses CO2 containing radioactive Carbon-14 to trace the path of carbon in photosynthesis. Which molecule is the first stable intermediate detected?
Q1. A scientist uses CO2 containing radioactive Carbon-14 to trace the path of carbon in photosynthesis. Which molecule is the first stable intermediate detected?
Answer: 3-phosphoglycerate
Explanation: 3-phosphoglycerate is the first stable 3-carbon intermediate; glucose is tempting but it is the final end-product of the entire process.