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.
Before new daughter strands can be added on, the parent strands are first made ready by an RNA primer. The primer is built by the enzyme RNA primase. So, let's go to the chart: RNA primase is the enzyme that builds an RNA primer on the parent strand to initiate DNA replication.nce the RNA primer is built, then the next enzyme, DNA polymerase, is free to do its job. DNA polymerase slides into the replication fork and positions itself behind the RNA primer. It begins to add DNA nucleotides onto each parent strand.