What are the possible fates for a free radical produced from a molecule-radiation interaction? Select all that are correct.
a. A free radical can react with another molecule to produce a new free radical.
b. A free radical can rapidly react with other chemical species nearby, often precipitating a series of totally undesirable chemical reactions inside a living cell.
c. A free radical can coexist with other chemical species within a cell without affecting cellular activity.
d. A free radical can combine with another free radical to form a molecule in which electrons are paired.
