To sort out those bacteria that have the vgp gene, scientists first attempt to grow the bacteria both in a medium with ampicillin and in a medium without ampicillin. demonstrate your understanding of this step by sorting the four bacterial classes based on where they will grow.

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.

what are the options? add them, then i will be glad to .