What is a radical a group of ions

A radical is a group of atoms of elements carrying a charge. radicals or ions are formed by gaining or loosing ions. positive radical ions are called radical cations whereas negative radical ions are called radical  anions.

one is through turgidity. this occurs before ground tissue ( collenchyma

and sclerenchyma cells) become well

developed to give structural support to the plant as it grows bigger. the xylem

tissue (composed of rigid tissue) of the young

plant render this support and also maintaining osmotic turgidity of the surrounding

plant cells.