<span>Vesicles are used to transport items in many different circumstances, so I'm not quite sure how to answer your question. Vesicles are used when transporting to and from the golgi apparatus, also when transporting molecules to lysosomes. They are even used when undergoing exocytosis. Basically, they are used to carry items/molecules/wastes around within cells
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Spread of disease is density dependent because it is more severe the greater the population density as the disease would spread more easily. If there is low population density it would spread slower.
I’m pretty sure it’s sperm
