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5 Written questions

5 Matching questions

  1. peptide bond
  2. base
  3. inorganic molecule
  4. uracil (U)
  5. dehydration reaction
  1. a way of joining monomers to build polymers
  2. b substances that either take up hydrogen ions(H+) or release hydroxide ions (OH-)
  3. c constitute nonliving matter
  4. d a base type in RNA paired with adenine
  5. e the bond that joins any two amino acids

5 Multiple choice questions

  1. the amount of heat energy needed to raise the temperature of 1g of water 1*C
  2. of animal origin. solid at room temp
  3. a double strand found in DNA. strands are held together by hydrogen bonds between bases
  4. is used to indicate the acidity or basicity of solutions
  5. a simple organic molecule that exists individually or can link with other monomers to form a polymer

5 True/False questions

  1. hydrophillicattracted to water


  2. saturated fatty acidhave no double covalent bonds between carbon atoms


  3. isotopesatoms of the same element that differ in the number of neutrons. have the same number of protons byt have different atomic mass


  4. oilof plant origin and are liquid at room temperature


  5. unsaturated fatty acidhave double bonds between carbon atoms wherever the number of hydrogen is less than two per carbon atom


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