A comprehensive presentation of the prokaryotic cell, this model is an ideal visualization of bacterium structure. Largely magnified, this model includes four models on the same base. A cross-section of a general prokaryotic cell, illustrates typical structures as pili, flagella, inclusion body, plasmids and chromosome; while a model of a spore is partially cut away to show all its different layers, from the exosporium to the cytoplasmic membrane. Additionally, two schematic representations of the cell wall of Gram-negative and Gram-positive bacteria are shown. All the main structures, shown in minute detail, are numbered and referenced on the included key guide for study and review.