Bacterial cell, illustration

Numéro d’image : 12446499
Bacterial cell, illustration
Bacterial cell. Cutaway illustration of the internal structure of a typical bacterial cell. This example is of a capsulated bacterium. The capsule (light green) forms the outer of three layers, covering the cell wall (dark green) and the inner cytoplasmic membrane. Bacteria lack a nuclear membrane and hence a well-defined nucleus. Here, the genetic material is the purple strands at upper centre. An invagination into the cytoplasmic membrane is featured at lower right. Growing bacteria contain numerous ribosomes (red spheres) within their cytoplasm, that are involved in the assembly of proteins. Other structures act as reserves of energy and nutrients.
Licence : Droits gérés
Crédit: Science Photo Library / Bavosi, John
Taille de l’image : 4502 px × 6295 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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