In an experiment, the carbon dioxide available to a `C_(3)` plant was labelled with a radioactive isotope and the amount of radioactivity in the chloroplast was measured.As photosynthesis proceeded, in which of the following molecules did the radioactivity first appear ?

In an experiment that carbon dioxide available to a C_3 plant was labelled with a radioactive isotope and the amount of radioactivity in the chloroplast was measured . As photosynthesis proceeded , in which of the following molecules did the radioactivity first appear ?

In an experiment that carbondioxide available to a C_4 plant was labelled with a radioactive isotope and the amount of radioactivity in the chloroplast was measured . As photosynthesis proceeded , in which of the following molecules did the radioactivity first appear

In an experiment that carbondioxide available to a C_4 plant was labelled with a radioactive isotope and the amount of radioactivity in the chloroplast was measured . As photosynthesis proceeded , in which of the following molecules did the radioactivity first appear Oxaloacetic acid PEP Malic acid RuBP

Which of the following isotopes of hydrogen is radioactive?

Which of the following isotope of hydrogen is radioactive ?

In which of the following we don't use a radioactive isotope :

Which of the following isotopes of uranium is most radioactive ?

Which isotope of carbon is radioactive?