For over a decade the blood of a mammal contains a certain cell type in its immune system.One day the cell recognizes an antigen that it had previously encountered,binds to it,and triggers an immune response.What kind of cell would react in this way?
A)T cell
B)monocyte
C)eosinophil
D)memory cell

Question

Quizplus · Accepted Answer

Memory cells are a type of immune cell that can recognize and remember specific antigens that they have encountered before. When they encounter the same antigen again, they are able to mount a swift and powerful immune response. This is the basis for immunological memory, which is what protects organisms from repeat infections by the same pathogen. Neither T cells, monocytes, nor eosinophils have the ability to retain memory of previous antigen encounters in the same way as memory cells.

For Over a Decade the Blood of a Mammal Contains