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5 Written questions

5 Matching questions

  1. base
  2. triglyceride
  3. monosaccharide
  4. double helix
  5. denaturation
  1. a if the number of carbon atoms in a molecule is low then a carbohydrate is a simple sugar
  2. b substances that either take up hydrogen ions(H+) or release hydroxide ions (OH-)
  3. c a double strand found in DNA. strands are held together by hydrogen bonds between bases
  4. d when a protein under goes an irreversible change in shape after being exposed to extremes in heat and pH
  5. e a fat molecule

5 Multiple choice questions

  1. stores genetic information in the cell and in the organism. it also replicates and transmits this information when it reproduces and when an organism reproduces
  2. subatomic particles that are positivly charged
  3. subatomic particle with a negative charge
  4. is a large molecule (macromolecule) composed of repeating structural units.
  5. of plant origin and are liquid at room temperature

5 True/False questions

  1. unsaturated fatty acida hydrocarbon chain that ends with the acids group COOH

          

  2. carbohydratefunction for quick fuel and short-term energy storage in all organisms. characterized by the presence of the atomic grouping H--C--OH. ratio of nydrogen atoms to oxygen atoms is 2:1

          

  3. disaccharideif the number of carbon atoms in a molecule is low then a carbohydrate is a simple sugar

          

  4. glucosea hexose, blood sugar

          

  5. elementsubstance that cannot be broken down to simpler substances with different properties by ordinary chemical means

          

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