Biochemistry

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Across
  1. 3. Compounds that form extra hydronium ions when dissolved in water
  2. 4. The region of an enzyme where substrate molecules bind and undergo a chemical reaction
  3. 9. The strength and vitality required for sustained physical or mental activity.
  4. 11. The minimum amount of energy that is required to activate atoms or molecules to a condition in which they can undergo chemical transformation or physical transport
  5. 12. The surface on which an organism grows or is attached in biology
  6. 15. A group of atoms held together by covalent bonds
  7. 17. Another class of biomolecules, which includes fats, phospholipids, steroids, and waxes
  8. 18. An important “energy molecule” found in all life forms.
  9. 21. Compounds that form extra hydroxide ions when dissolved in water
  10. 22. The smallest unit of matter that cannot be broken down by chemical means
  11. 23. The attraction of particles of the same substance
  12. 25. A substance made up of atoms that have the same number of protons
  13. 26. Atom or group of atoms that have an electric charge because it has gained or lost electrons
  14. 27. A mixture in which ions or molecules of 1 or more substances are evenly distributed in another substance
  15. 28. The hereditary material in humans and almost all other organisms
Down
  1. 1. Attraction between particles of different substances
  2. 2. A molecule made up of amino acids
  3. 5. A substance that acts as a catalyst in living organisms
  4. 6. A substance that is formed as the result of a chemical reaction
  5. 7. Molecules made of sugars (carbon, hydrogen, oxygen, ratio 1:2:1)
  6. 8. Electrons in the outermost level, or shell
  7. 10. A long chain of nucleotide units
  8. 13. A nucleic acid present in all living cells that has structural similarities to DNA
  9. 14. A molecule made up of three parts: a sugar, a base, and a phosphate group
  10. 16. The substances which participate in a chemical reaction
  11. 19. A measure of how acidic or basic a solution is
  12. 20. A substance that reacts to prevent pH changes in a solution
  13. 23. A substance made of the bonded atoms of two or more different elements
  14. 24. Building blocks that link to form proteins