Enzymes are sometimes called biological catalysts
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hello i think b not completely sure
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eukaryote
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That small, dark circle in the center of the cell is the nucleus .Prokaryotes do not have nucleus.
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respiration is a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.
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Domains Archaea and Bacteria
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