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5 Written questions

5 Matching questions

  1. fat
  2. nucleotide
  3. ATP (adenosine triphosphate)
  4. fatty acid
  5. starch
  1. a of animal origin. solid at room temp
  2. b ready storage forms of glucose in plants
  3. c a molecular complex of three types of subunit molecules
  4. d a hydrocarbon chain that ends with the acids group COOH
  5. e an energy carrier

5 Multiple choice questions

  1. when an element decays it releases various types of energy in the form of rays and subatomic particles
  2. contain a phosphate group. costructed like fats except that in place of the third fatty acid, there is a polar phosphate group or a grouping that contains both phosphate and nitrogen
  3. polysaccharide found in plant cell walls, and accounts for the strong nature of cell walls
  4. product of a bond of 2 or more elements
  5. the bond that joins any two amino acids

5 True/False questions

  1. hydrophillicattracted to water


  2. proteinsubatomic particles that are positivly charged


  3. functional groupholds together ionic compounds by an attraction between negatively and positively charged ions


  4. hydrogen bondPolarity within a water molecule causes thy Hydrogen atoms in one molecule to be attracted to the oxygen atoms in other molecules


  5. hydrophobicnonionized and nonpolar molecules that cannot attract water