Biology Flashcards 0.0 / 5 ? BiologyBiology TerminologyIGCSEEdexcel Created by: HarryMarks1Created on: 11-11-14 10:42 Abdomen The lower region of thebody. In humans it contains the digestive organs, kidneys, etc 1 of 7 Accuracy An accuratemeasurement is close to the true value 2 of 7 Acid A substance that produces hydrogen ions when it dissolves in water 3 of 7 Acid Rain Rain that is acidic due to dissolved gases, such as sulphur dioxide, produced by the burning of fossil fuels 4 of 7 Activation energy The minimum amount of energy needed for a given chemical reaction to take place 5 of 7 Active Site The site on an enzyme where the reactants bind 6 of 7 Active transport The movement of substances against a concentration gradient and/or across a cell membrane, using energy 7 of 7
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