Define radioactivity

If a certain group of cells utilises the amino acid glycine exclusively for synthesis, and if a growing culture of these cells is fed radioactive glycine, radioactivity will be found first in the

What is artificial radioactivity ? Illustrate the matter

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 ?

What are the basic differences between natural and artificial radioactivity ?

Define the activity of a given radioactive substance. Write its SI unit.

When a nucleus in an atom undergoes a radioactive decay, the electronic energy levels of the atom - (A) Do no change for any type of radioactivity. (B) Change for alpha and beta -radioactivity but not for gamma -radioactivity. (C) Change for alpha -radioactivity but not for others. (D) Change for beta -radioactivity but not for others.

A bacterium grown over medium having radioactive 35S imcorporates radioactivity in

Use of radioactivity.

The phenomenon of radioactivity was discovered by

Who discovered radioactivity?