Arrange in the correct sequence these components of the mammalian immune system as it first responds to a pathogen.
I.Pathogen is destroyed.
II. Lymphocytes secrete antibodies.
III.Antigens from a pathogen bind to antigen receptors on lymphocytes.
IV.Lymphocytes specific to antigens from a pathogen become numerous.
V.Only memory cells remain.
A) I → III → II → IV → V
B) II → I → IV → III → V
C) IV → II → III → I → V
D) III → IV → II → I → V

Question

Quizplus · Accepted Answer

The correct sequence is: Antigens bind to receptors on lymphocytes (III), lymphocytes specific to the antigens proliferate (IV), antibodies are secreted (II), the pathogen is destroyed (I), and memory cells remain (V).

Arrange in the Correct Sequence These Components of the Mammalian