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Perform the indicated operations without a calculator:
Cellular Interactions
The various ways in which cells communicate with each other, often involving specific molecules on their surfaces.
Lethal Dosage
A measure of the amount of a substance required to cause death in a target organism or population.
Sodium Chloride
A chemical compound known as table salt, widely used in food seasoning and preservation, consisting of sodium and chloride ions.
Common Compounds
Chemical substances made up of atoms of two or more different elements, which are widely found or used in daily life.
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