KERNMEMBRAN + KERNHÜLLE (CYTOLOGIE); MEMBRANE PROTEINS AND PROTEIN STRUCTURE OF MEMBRANES; PROTEINTRANSPORT + PEPTIDTRANSPORT (MEMBRANBIOLOGIE); NUCLEAR MEMBRANE + NUCLEAR ENVELOPE (CYTOLOGY); ENDOPLASMATISCHE MEMBRANEN + ENDOMEMBRANEN (CYTOLOGIE); PROTEIN TRANSPORT + PEPTIDE TRANSPORT (MEMBRANE BIOLOGY); MEMBRANPROTEINE UND PROTEINSTRUKTUR BIOLOGISCHER MEMBRANEN; ENDOPLASMIC MEMBRANES + ENDOMEMBRANES (CYTOLOGY)