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There are two basic cell types: prokaryotic and eukaryotic cells.
cell, nucleus, bacterium, flagellum, cilium, cell wall, plasmid, nuclear membrane, cytoskeleton, endoplasmic reticulum, polysaccharide, peptide, DNA, chromosome
Eukaryotic cells contain a number of organelles.
Bacteria occur in a wide range of shapes, including spheres, rods and spirals.
Widespread heterotrophic unicellular organisms with constantly changing shapes
Carrier of genetic information in cells.
Unicellular eukaryotes living in freshwaters, capable of feeding autotrophically and heterotrophically.
Common ciliated eucaryotic unicellular organisms widespread in freshwaters.
The bacterial disease known as the bubonic plague is one of the deadliest infectious diseases in the history of mankind.