Question

What thin whip-like structures help prokaryotes move toward food or away from toxins?

Answer 1

flagella

Most prokaryotes have one or more long, thin "whips" called flagella  flagellum, plural  . You can see flagella in Figure below . Flagella help prokaryotes move toward food or away from toxins. Each flagellum spins around a fixed base. This causes the cell to roll and tumble.