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WHS A&P Vocabulary Chemistry of Life

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Question
Answer
show basic unit of matter  
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show positively charged subatomic particle  
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electron   show
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show subatomic particle that has the same mass as a proton but no electric charge  
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show the positively charged center of an atom  
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orbital   show
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show atom that has a positive or negative charge  
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show mass of an atom expressed in atomic mass units  
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atomic number   show
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show atoms of the same element that have different numbers of neutrons  
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show isotope that has an unstable nucleus and undergoes radioactive decay  
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show substance formed by chemical union of two or more elements in definite proportions  
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molecule   show
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ionic bond   show
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covalent bond   show
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show element or compound that enters into a chemical reaction  
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show reactant of an enzyme-catalyzed reaction  
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product   show
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show stored energy  
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show energy of motion  
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show minimum amount of energy required to start a chemical reaction  
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decomposition reaction   show
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show breakdown of more complex substances into simpler ones  
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show reaction in which two or more substances combine to form a single compound  
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show synthesizing a complex molecule from simpler compounds  
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show reaction in which molecules are exchanged to create new products; AB + CD ---> AD + CB  
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reversible reaction   show
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show reaction that is reversible and the rates of the forward and reverse reactions are equal  
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show chemical needed for the maintenance, growth, and development of the body  
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metabolite   show
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mixture   show
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show homogeneous mixture of two or more substances  
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solute   show
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show the substance in which a solute is dissolved to form a solution  
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show mixture of water and nondissolved materials whcih can be separated with filtration or settling  
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show a substance when dissolved in water conducts electric current  
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show compound that conducts electricity when dissolved in water; created from the reaction of an acid and a base  
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inorganic compound   show
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organic compound   show
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show compound that forms hydrogen ions (H+) in solution  
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show compound that produces hydroxide ions (OH+) in solution  
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show a chemical reaction in which an acid and a base interact to form a salt  
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show positively charged atom of hydrogen (H+)  
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show negatively charged ion made of oxygen and hydrogen (OH-)  
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pH scale   show
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show specialized proteins that speed up chemical reactions  
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show substance that initiates or accelerates a chemical reaction without itself being affected  
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show single-stranded nucleic acid involved in protein synthesis  
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show double-stranded molecule that contains the genetic code  
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glycogen   show
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show sugar that is the major source of energy for the body's cells  
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show single sugar molecule  
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show large carbohydrate made of chains of monosaccharide molecules  
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glycerol   show
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show with glycerol, make up the building blocks of lipids  
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show building block of a nucleic acid  
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amino acid   show
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show provides the energy for all cellular work; product of cellular respiration  
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show the site on an enzyme that attaches to a substrate  
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denaturation   show
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show very large complex molecule  
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show large molecule formed when many smaller molecules bond together  
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show small molecular unit that is the building block of a larger molecule  
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show macromolecule made up of subunits called nucleotides  
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show organic compound made mainly from carbon and hydrogen atoms; includes fats, oils, and waxes  
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show organic compound that is made of one or more chains of amino acids and that is a principal component of all cells  
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carbohydrate   show
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buffer   show
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