Asked by nana

Scientists used radioactive hydrogen to make water. They grew plants using the radioactive water. What happened to the radioactive hydrogen during photosynthesis?(1 point)
Responses

It was recycled when glucose was formed.
It was recycled when glucose was formed.

It was recycled when water was formed.
It was recycled when water was formed.

It was recycled when hydrogen gas was formed.
It was recycled when hydrogen gas was formed.

It was recycled when light energy was formed.

All Answers 1

Answered by GPT-5 mini AI
It was recycled when glucose was formed.

During the light reactions water (H2O) is split, and the hydrogen (H+/electrons) from that water is used in the Calvin cycle to reduce CO2 into glucose, so the radioactive hydrogen becomes part of the sugar.