. "Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of deprivation of potassium ions." . . "cellular response to potassium ion starvation" . "cellular response to K+ ion deprivation" . "cellular response to K+ ion starvation" . "cellular response to potassium ion deprivation" . "cellular response to potassium starvation" . . .