This article is about notable uniformed police officers in the New York Police Department. For a list of police commissioners, see List of NYPD Police Commissioners. This is a list of New York City Police Department (NYPD) officers.
The B-cell receptor includes both CD79 and the immunoglobulin. The plasma membrane of a B cell is indicated by the green phospholipids. The B cell receptor extends both outside the cell (above the plasma membrane) and inside the cell (below the membrane).The B-cell receptor or BCR is a transmembrane receptor protein located on the outer surface of B-cells.he plasma membrane of a B cell is indicated by the green phospholipids. The B cell receptor extends both outside the cell (above the plasma membrane) and inside the cell (below the membrane). The B-cell receptor or BCR is a transmembrane receptor protein located on the outer surface of B-cells.
Each B cell and T cell is specific for a particular antigen. What this means is that each is able to bind to a particular molecular structure. The specificity of binding resides in a receptor for antigen: 1  the B cell receptor (BCR) for antigen and.2  the T cell receptor (TCR) respectively.3  They are integral membrane proteins. 4  They are present in thousands of identical copies exposed at the cell surface.5  They are made before the cell ever encounters an antigen.he process works like this: 1  The precursors of T cells â like all blood cells â are formed in the bone marrow. 2  These cells then migrate to the cortex of the thymus. 3  At this time they have neither a complete TCR nor either CD4 or CD8 (thus are called double-negative or DN cells).