What is the Function of the Basement Membrane. 19 Jul, 2012 what is 0. The Basement membrane is a layer of fiber that is located under epithelium or endothelium. The epithelium is the tissue that lines the surfaces and cavities of organs, whereas the endothelium lines the inside of blood vessels.hat is the Function of the Basement Membrane. 19 Jul, 2012 what is 0. The Basement membrane is a layer of fiber that is located under epithelium or endothelium. The epithelium is the tissue that lines the surfaces and cavities of organs, whereas the endothelium lines the inside of blood vessels.
DNA Polymerase is the enzyme which adds new nucleotides during  replication.
The enzyme that synthesizes DNA, DNA polymerase, can only add nucleotides to an already existing strand or primer of DNA or RNA that is base paired with the template. Enzymes. An enzyme, DNA polymerase, is required for the covalent joining of the incoming nucleotide to the primer.he enzyme that synthesizes DNA, DNA polymerase, can only add nucleotides to an already existing strand or primer of DNA or RNA that is base paired with the template. Enzymes. An enzyme, DNA polymerase, is required for the covalent joining of the incoming nucleotide to the primer.