Suppose you are studying photosynthesis in a research lab. You grow your plants in a chamber with a source of water that has a radioactively labeled oxygen atom. What photosynthetic product will be radioactive?

Question

Quizplus · Accepted Answer

During photosynthesis, the oxygen atoms in water molecules are used to produce O2 gas as a byproduct of the light-dependent reactions. When water with radioactively labeled oxygen is used, the O2 gas released will contain the radioactive label.

Suppose You Are Studying Photosynthesis in a Research Lab