Memmlers Chapter 2 Test Questions And Answers

Memmlers Chapter 2 Test Questions And Answers Acid - A substance that increases the hydrogen ion concentration of a solution. amino acid - Building blocks of protein Anabolism - metabolic building of simple compounds into more complex substances needed by the body anion - A negatively charged ion aqueous - Pertaining to water; an aqueous solution is one in which water is the solvent atom - smallest subunit of a chemical element atp - adenosine triphosphate base - a lower portion or foundation. substance that can accept a hydrogen ion; substance that releases a hydrogen ion when dissolved in water; an alkali. buffer - substance that prevents sharp changes in a solution's pH carbohydrate - simple sugar or compound made from simple sugars linked together Catabolism - The metabolic breakdown of complex molecules into simpler ones, often resulting in a release of energy. catalyst - substance that speeds up the rate of a chemical reaction Cation - A positively charged ion chemistry - study of the composition and properties of matter colloid - mixture in which suspended particles do not dissolve but remain distributed in the solvent because of their small size Compound - substance composed of two or more chemical elements Denaturation - Change in structure of a protein, such as an enzyme, so that it can no longer function electrolyte - compound that separates into ions in solution; substance that conducts an electric current in solution