1.2

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Across
  1. 4. sugar a sugar with three carbon atoms
  2. 5. a polymer consisting of long chains of monosaccharide units joined by glycosidic bonds
  3. 9. a small molecule that is a single unit of a larger molecule called a polymer
  4. 10. a long-chain polymer formed of glucose monomers
  5. 11. a hexose sugar
  6. 13. a pentose sugar that is part of the structure of DNA
  7. 17. a very large molecule often formed by polymerisation
  8. 18. sugars that react with blue Benedict's solution and reduce the copper(II) ions to copper(I) ions giving an orangey-red precipitate
Down
  1. 1. (RNA) a nucleic acid which is the genetic material in some organisms and is involved in protein synthesis
  2. 2. sugar sugar with six carbon atoms
  3. 3. a single sugar monomer
  4. 5. a long-chain molecule made up of many smaller, repeating monomer units joined together by chemical bonds
  5. 6. molecules that have the same chemical formula, but different molecular structures
  6. 7. (DNA) a nucleic acid that is the genetic material in many organisms
  7. 8. a pentose sugar that is part of the structure of RNA
  8. 10. a sweet-tasting disaccharide formed by the joining of glucose and fructose by a 1,4-glycosidic bond
  9. 11. a covalent bond formed between two monosaccharides in a condensation reaction, which can be broken down by a hydrolysis reaction to release the monosaccharide units
  10. 12. sugar a sugar with five carbon atoms
  11. 14. a reaction in which a molecule of water is removed from the reacting molecules as a bond is formed between them
  12. 15. a sugar made up of two monosaccharide units joined by a glycosidic bond, formed in a condensation reaction
  13. 16. sugars that do not react with Benedict's solution