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Helps to move materials, such as hormones, around the cell and also dissolves cellular waste. Eukaryote: animal Image obtained from: CentriolesIs a small structure made of microtubules which exists as part of the centrosome, which helps organize microtubules Allows substances to be transported to any location in a cell.Prokaryotic cell Image obtained from: Escherichia Coli Bacterium It is a rod-shaped bacterium commonly found in the lower intestine of warm-blooded organisms.Can be beneficial by producing vitamin K2 and preventing the intestine in becoming colonized with pathogenic bacteria. Prokaryotic cell Image obtained from: Streptococcus Bacterium This prokaryote is responsible for strep throat. Cell division in this bacterium occurs along a single axis and they grow in chains or pairs.Colonize the throat or skin and are responsible for a number of suppurative infections and nonsuppurative sequelae. Prokaryotic cell Image obtained from: Streptomyces Soil Bacteria They are predominantly found in soil and in decaying vegetation, with most producing spores. Play an important role in mineralization processes in nature and are abundant producers of secondary metabolites.Prokaryotic cell Image obtained from: ArchaeaThe subclass of archaea are prokaryotes and are able to survive in very harsh environments.They are often a major source of methane in such environments and can play a role as primary producers.