Which of the following is true of both b cells and t cells?

they produce antibodies that attack pathogens.

they are nonspecific body defense systems.

they interact with antigen-presenting cells.

they have receptors on their surface that bind to antigens.

Both B and T cells produce antibodies that attack pathogens

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

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