From the figure of a bacterial (prokaryotic) cell (most probably), The Ribosomes are spiky organelles [Marked as A], that are embedded in the Cytosol  [Marked as B] of the cell, bounded by the Cell Membrane (wall)  [Marked as C] and the cell moves in all directions with a help of its tail-like structure called Flagellum  [Marked as D].
Time ! for a smell to begin the process of registering in your brain, first you must a) inhale odor molecules into the nasal cavity b)transduce scent chemicals c)have a scent to inhale d)all answers can work