Chromogenic CompoundsMicroscopy, ElectronElectronsMicroscopy, Electron, ScanningElectron TransportBody CompositionMicroscopy, Electron, TransmissionElectron Spin Resonance SpectroscopyOxidation-ReductionMolecular StructureFatty AcidsMolecular Sequence DataKineticsAmino AcidsMicroscopy, Electron, Scanning TransmissionSulfur CompoundsVolatile Organic CompoundsPhospholipidsStructure-Activity RelationshipElectron Probe MicroanalysisBase CompositionBacteriaMagnetic Resonance Spectroscopy