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Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings
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Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?
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How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?
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In "the man in the water," what was the remarkable occurrence that rosenblatt reported?
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What happens right before rna polymerase begins to work...
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