Chemistry of Life

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Across
  1. 3. A polymer of many amino acids linked by peptide bonds
  2. 6. An essential element in making DNA and RNA. It is also found in ATP
  3. 8. Describes the appearance of double-stranded DNA
  4. 10. A basic molecule that can covalently bond to other monomers to form long chains called polymers.
  5. 11. A class of lipids whose molecule has a hydrophilic head and two hydrophobic tails
  6. 13. The overall protein structure that results from the aggregation of the polypeptide subunits
  7. 15. A very large molecule important to biophysical processes
  8. 18. This biological molecule is often nonpolar and insoluble in water
  9. 21. Any substance that resists water
  10. 23. An organic molecule possessing both an amino group and a carboxyl group
  11. 24. The end-to-end chemical orientation of a single strand of nucleic acid
  12. 25. The property of water that refers to water molecules sticking to another surface
  13. 26. Polypeptide chains lying side by side are connected by hydrogen bonds between parts of two parallel polypeptide backbones
  14. 28. A functional group in amino acids that ionizes to release hydrogen ions. Consists of a hydroxyl group and carbonyl groups
  15. 29. A measure of how difficult it is to stretch or break the surface of a liquid
  16. 30. Arises from the hydrogen bonds formed between atoms of the polypeptide backbone
Down
  1. 1. The overall shape of a polypeptide resulting from interactions between the side chains of the various amino acids
  2. 2. A delicate coil held together by hydrogen bonding between every fourth amino acid
  3. 4. Organic molecules composed of a nitrogenous base, a pentose sugar and a phosphate
  4. 5. The chemical backbone of all life on Earth, makes molecules organic
  5. 7. Any substance that has an affinity for water
  6. 9. Elements that an organism needs to live a healthy life and reproduce
  7. 12. The sequence of amino acids in a polypeptide chain
  8. 14. Includes both sugars and polymers of sugars
  9. 16. Refers to when the two sugar-phosphate backbones run in opposite 5’ to 3’ directions from each other
  10. 17. A nucleic acid that acts as a messenger carrying instructions from DNA for controlling the synthesis of proteins
  11. 19. Polymers are broken down into monomers through a reaction due to the addition of water
  12. 20. Elements that are required by an organism in only minute quantities
  13. 22. The property of water that refers to water molecules sticking to each other
  14. 27. This biological macromolecule consists of one or more polypeptides