Question

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 light energy was formed.
It was recycled when light energy was formed.

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

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

It was recycled when water was form

1 answer

During photosynthesis, the radioactive hydrogen incorporated into the water used by plants is ultimately incorporated into glucose. Therefore, the correct response is:

It was recycled when glucose was formed.