Arthropods has the bilateral symmetry !
so answer is B !
Correct answer: B). The phagocytotic barrier, which is a part of innate immunity
The scenario represents the phagocytosis, which is a type of endocytosis by which the cell engulfs microbial pathogens. The main cells of the immune system that are involved in phagocytosis include macrophages, neutrophils, and dendric cells.
It is a mechanism which is used by the immune system to kill and processing of antigen that play an important role in innate immune response.
Hence, the correct answer would be option B.
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Well, I think the answer would be, Both biomass and coal energies are inexpensive, but they release greenhouse gases.</span>
Osmosis in the cell vacuole because the difference of concentrations
outside / inside the cell
