Your white blood cells will attack your heathly cells because they are confused
Active transport.
Passive transport, being its opposite, requires no energy at all. Therefore, active transport would require energy or ATP in order to move across.
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Animal cells (which are Eukaryotes) contain a nuclues, while Bacterial cells (which are Prokaryotes) do not contain a nucleus.
Answer:
Habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat
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