Chemistry of Life Crossword Puzzle

QUESTIONS LIST: atom: the basic unit of a chemical element, element: a substance that cannot be decomposed into simpler substances by chemical means, compound: a substance formed when two or more chemical elements are chemically bonded together, molecule: a tiny or very small piece of something, cohesion: the sticking together of alike molecules, adhesion: the force of attraction between unlike molecules, solution: a substance in which the particles are spread out evenly, acid: any class of compounds that form hydrogen ions when dissolved in water, base: a substance that accepts protons from acids, carbohydrates: molecular compounds made from just three elements, carbon, hydrogen, and oxygen, lipids: a group of naturally occurring molecules that include fats, waxes, and steroids, proteins: a molecule composed of polymers of amino acids joined together by peptide bonds, nucleic acid: dna and rna, amino acids: the building blocks of protein. only 20 of these, energy: the strength and vitality required for sub stained physical or mental activity, activation energy: the minimum quantity of energy that the reacting species, enzyme: a substance produced by a living organism that acts as a catalyst to bring about reactions, substrate: a substance or layer that underlies something or on which some process occurs in particular, active site: a region on an enzyme that binds to a protein or other substances during a reaction