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

Responses

It was recycled into hydrogen gas.
It was recycled into hydrogen gas.

It was recycled into protein.
It was recycled into protein.

It was recycled into water.
It was recycled into water.

It was recycled into glucose.

1 answer

During cellular respiration, the radioactive hydrogen incorporated into water (H₂O) would ultimately be recycled into water (H₂O) again as part of the metabolic processes. Therefore, the correct response is:

It was recycled into water.