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A biological macromolecule is a molecule that is so big that we can see it without magnifying it...
A capacitor is a device that can store charge.
A catalyst is a substance that takes part in a reaction but that is not used up. The catalyst...
A disaccharide is made up of two linked monosaccharides. Sucrose is a disaccharide.
A dynamic equilibrium occurs when the rate of the forward reaction equals the rate of the...
A joule is a unit of energy.
A molecule is hydrolysed when it is split by the addition of a water molecule.
A photoelectric cell is apparatus that we use to demonstrate that light can liberate electrons...
A promoter is a substance that improves the efficiency of the catalyst in the reaction.
A radical is a very reactive atom or group of atoms with an unpaired valence electron.