<prompt> CD8 is a marker for which of the following cell?T-cellB-cellNK-cellsMacrophages  <response>: Ans. is a i.e., T-cells Important cells with their CD marker are Primary T cell Associated CD1, CD3, CD4, CD5, CD8 Primary B cell associated CD10, CD19, CD20, CD21, CD23, CD79a Primary monocyte or macrophage associated CD11c. CD13, CD14, CD15, CD33, CD64 Primary NK cell associated CD16.CD56 Primary stem cell and progenitor cell associated CD34 Activation markers CD30 Present on all leukocytes CD45 