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Bio ch 4 set one
first 4 terms
Question | Answer |
---|---|
ATP | adenosine triphosphate; a molecule in all living cells that acts as fuel. |
hormone | a chemical signal used to control body functions |
microscope | an instrument used to magnify things |
cell theory | a theory that all living things are made of cells, that cells are the basic units of structure and function in living things, and that all cells only come from already present cells. |