Ariel Clincy, 9/23/24, BIO 311 B, Chapter 2 Crossword

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Across
  1. 3. Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a molecule having negative charge while others are positive.
  2. 5. An organic compound comprised of the elements carbon, hydrogen, and oxygen; includes sugars, starch and cellulose.
  3. 9. The attraction between like particles within polar substances.
  4. 13. A pure substance made of only one kind of atom.
  5. 15. The smallest particle of a covalently bonded compound.
  6. 17. A substance that is present before a chemical reaction and takes part in it, usually shown on the lefthand side of a chemical equation
  7. 18. The physical stuff that makes up the universe. Anything that occupies space and has mass.
  8. 20. A covalently bonded compound containing the element carbon
  9. 21. The process by which particles in solution are evenly distributed throughout the solvent by the Brownian model.
  10. 22. A substance that can produce hydrogen ions (H+) in solution.
  11. 24. A substance that can produce hydroxide ions (OH-) or accept hydrogen ions (H+) in solution.
  12. 26. A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
  13. 27. A substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyes.
Down
  1. 1. The substances formed during a chemical reaction usually indicated on the righthand side of a chemical equation
  2. 2. The attraction of particles in one substance for particles in a different substance
  3. 3. A change in a substance that does not change the identity of the substance (e.g., a change of form or state)
  4. 4. A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.
  5. 5. A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction.
  6. 6. An attraction between two atoms as a result of sharing or transferring valence electrons.
  7. 7. A naturally occurring catalyst, usually a protein
  8. 8. A pure substance made from two or more elements that are chemically compound.
  9. 10. A class of organic compounds that serve as the building blocks of protein.
  10. 11. The ability to do work. Especially in biology, the driver of physical and chemical processes necessary for life.
  11. 12. The process in which one substance, the solute, is broken up into smaller pieces by and distributed within a second substance, the solvent.
  12. 14. A measurement of the average speed of the particles within a substance.
  13. 16. A class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things.
  14. 19. The tendency of energy to disperse and become less available to do work.
  15. 23. The building block of matter; the smallest possible particle of an element.
  16. 25. A class of simple organic compounds important in living things as a source of both energy and structure.