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5 Written questions

5 Matching questions

  1. DNA
  2. hydrolysis
  3. cholesterol
  4. monosaccharide
  5. fatty acid
  1. a a long carbon chain carboxylic acid. fatty acids vary in length and in the number and location of double bonds; three fatty acids linked to a glycerol molecule form fat
  2. b A chemical process that lyses, or splits, molecules by the addition of water; an essential process in digestion
  3. c A steroid that forms an essential component of animal cell membranes and acts as a precursor molecule for the synthesis of other biologically important steroids
  4. d The simplest carbohydrate, active alone or serving as a monomer for disaccharides and polysaccharides. Also known as simple sugars, the molecular formulas of monosaccharides are generally some multiple of CH20
  5. e A double-stranded, helical nucleic acid molecule capable of replicating and determining the inherited structure of a cell's proteins

5 Multiple choice questions

  1. A three-dimensional biological polymer constructed from a set of 20 different monomers called amino acids
  2. the level of protein structure referring to the specific sequence of amino acids
  3. A structural polysaccharide of cell walls, consisting of glucose monomers joined by b-1, 4-glycosidic linkages
  4. A long molecule consisting of many similar or identical monomers linked together
  5. A polymer of up to over a thousand monosaccharides, formed by condensation reactions

5 True/False questions

  1. riboseThe sugar component of RNA


  2. triacylglycerolThree fatty acids linked to one glycerol molecule


  3. chitinOne of a family of compounds, including fats, phospholipids, and steroids, that are insoluble in water


  4. lipidOne of a family of compounds, including fats, phospholipids, and steroids, that are insoluble in water


  5. polypeptideThe building block of a nucleic acid, consisting of a five-carbon sugar covalently bonded to a nitrogenous bas and a phosphate group