Which of the Following Is a Characteristic of B-2 Cells

Multiple Choice

Which of the following is a characteristic of B-2 cells?

A) They are sometimes referred to as CD5 B cells.
B) They comprise only 5% of the B-cell repertoire.
C) In adults,they are renewed by cell division in the peripheral circulation.
D) They are located primarily in secondary lymphoid organs.
E) They are not dependent on T helper cells for activation.