Which of the following statements about cluster of differentiation (CDs) molecul

Question

Which of the following statements about cluster of differentiation (CDs) molecules is correct?

A. Unfortunately, the presence of various CDs on the cell’s surface cannot be used to determine the cell’s identity

B. CDs often are used in a classification system to differentiate between epithelial cell subpopulations.

C. CDs have both biological and diagnostic significance. Because they are anchored in the membrane and externally exposed on the cell surface, they make excellent markers for immune cells circulating in peripheral blood or extracted from tissue sites such as the bone marrow

D. Erythrocytes bear cell-surface proteins that have specific roles in intercellular communication and are called cluster of differentiation (CDs) molecules

Explanation / Answer

The following statement is true about Cluster of Differentiation (CDs):

C. CDs have both biological and diagnostic significance. Because they are anchored in the membrane and externally exposed on the cell surface, they make excellent markers for immune cells circulating in peripheral blood or extracted from tissue sites such as the bone marrow.

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