Which of the following cell-surface markers differentiates hematopoietic stem cells from other cell constituents in the bone marrow?

Question

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CD34 is a cell-surface marker that is commonly used to identify and isolate hematopoietic stem cells from other cell types in the bone marrow. While other markers may also be present on hematopoietic stem cells, CD34 is considered the most reliable and widely used marker for identifying these cells. A, B, D, and E are not specific to hematopoietic stem cells and are not typically used to differentiate them from other cell types.

Which of the Following Cell-Surface Markers Differentiates Hematopoietic Stem Cells