<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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After an excessive amount of time no, you will end up producing eutrophication, the substances in it boost the the growth of algae in water and decreasing the level of oxygen for aquatic life.
<span>Assuming Complete Dominance, Only 1 copy of a Dominant allele of a specific trait is needed to exhibit that trait.</span>