The structure of prokaryotic and eukaryotic cells

The structure of prokaryotic and eukaryotic cells

There are two basic cell types: prokaryotic and eukaryotic cells.

Biology

Keywords

cell, nucleus, bacterium, flagellum, cilium, cell wall, plasmid, nuclear membrane, cytoskeleton, endoplasmic reticulum, polysaccharide, peptide, DNA, chromosome

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Animal and plant cells, cellular organelles

Eukaryotic cells contain a number of organelles.

Bacteria (spheres, rods, spirals)

Bacteria occur in a wide range of shapes, including spheres, rods and spirals.

Amoeba proteus

Widespread heterotrophic unicellular organisms with constantly changing shapes

DNA

Carrier of genetic information in cells.

Euglena viridis

Unicellular eukaryotes living in freshwaters, capable of feeding autotrophically and heterotrophically.

Paramecium caudatum

Common ciliated eucaryotic unicellular organisms widespread in freshwaters.

The Black Death (Europe, 1347–1353)

The bacterial disease known as the bubonic plague is one of the deadliest infectious diseases in the history of mankind.

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