magnetosome
(noun)
 A membranous prokaryotic organelle, containing mineral crystals, present in magnetotactic bacteria.
Examples of magnetosome in the following topics:
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Magnetosomes
- Each magnetite crystal within a magnetosome is surrounded by a lipid bilayer.
 - Magnetotactic bacteria usually mineralize either iron oxide magnetosomes , which contain crystals of magnetite (Fe3O4), or iron sulfide magnetosomes, which contain crystals of greigite (Fe3S4).
 - Magnetosome crystals are typically 35–120 nm long, which makes them single-domain.
 - In most magnetotactic bacteria, the magnetosomes are arranged in one or more chains.
 - Illustrate the structure of magnetosomes and the advantages that they provide to magentotactic bacteria