a dna-membrane complex model ( dmc ) is presented , in which specific sites of dna , low molecular weight rna , and a system of two lipid ( or lipoprotein ) membranes take part , morphological identity of these complexes and nuclear pores for eucaryotes and `` '' bayer 's junctions '' '' for procaryotes is suggested .
C0000702
a dna
C0012854
dna