The mature form of what kind of cell secretes antibodies?\nOptions:\n- (A) more abundant\n- (B) it needs them\n- (C) positive\n- (D) graptolites\n- (E) A Greek letter\n- (F) barnacles\n- (G) B-lymphocytes\n- (H) homogenous
Stream of thoughts:
(G)
Plasma cells are activated B cells that secrete antibodies.

Plasma Cells Plasma Cells Plasma cells are the mature form of B-lymphocytes.

Mature forms of B-lymphocytes secrete antibodies.

.

So, the final answer is (G)