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Lipidy, funkčné a štrukturálne komponenty eukaryotických buniek
[Lipids – structural and functional components of eukaryotic cells]
Eva Drozdíková, Margita Obernauerová
Jazyk slovenština Země Česko
- MeSH
- eukaryotické buňky * fyziologie MeSH
- glycerofosfolipidy fyziologie chemie MeSH
- homeostáza * MeSH
- lidé MeSH
- mastné kyseliny fyziologie chemie MeSH
- metabolismus lipidů * MeSH
- neutrální glykosfingolipidy fyziologie chemie MeSH
- poruchy metabolismu lipidů MeSH
- sfingolipidy fyziologie chemie MeSH
- steroly chemie MeSH
- Check Tag
- lidé MeSH
Lipids are basic organic components of living cells. These biomolecules do not show catalytic activities. Despite this fact, lipids participate in a several important cell functions. At the organism level, they serve as energy sources (neutral lipids, fatty acids) or as mediators of signalling molecules. At the cellular level, lipids (glycerophospholipids, sphingolipids and sterols) are structural components of membranes determining the establishment, maintenance and identity of intracellular compartments. In the membrane matrix, the composition of lipids determines physical and chemical properties of the membrane. In addition, lipids, due to their ability to form subdomains with membrane proteins, create appropriate conditions for optimal catalytic activity and/or stability of proteins and thereby influence several regulatory and signalling functions associated with these membranes.
Lipids – structural and functional components of eukaryotic cells
Literatura
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