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5 Written questions

5 Matching questions

  1. electron
  2. phospholipid
  3. cellulose
  4. prokaryotic
  5. ion
  1. a describes a cell that does not have a nucleus or anyother membrane-covered organelles; also called bacteria.
  2. b negatively charged particle of an atom
  3. c a lipid made of phosphate group (hydrophilic head) and two fatty acids (hydrophobic tails). forms cell membrane.
  4. d polysaccharide consisting of glucose monomers that reinforces plant-cell walls. Tougher than other polysaccharides. for structure
  5. e An electrically charged atom that has gained or lost electrons

5 Multiple choice questions

  1. determines a molecule's function. is hydrphilic. includes the hodroxl, carboxyl, carbonyl, amino, phosphate groups.
  2. atoms of the same element that have different numbers of neutrons in the nucleus
  3. A polymer (chain) of many amino acids linked together by peptide bonds.
  4. A molecule that has electrically charged areas.
  5. A double sugar, consisting of two monosaccharides joined by dehydration synthesis.

5 True/False questions

  1. carbohydratesugar molecules (monosaccharides AND polysaccharides)


  2. elementA substance that cannot be broken down into simpler substances


  3. polymerslong chains of monomers


  4. scientific methodbond formed by the TRANSFERING of electrons from one atom to another


  5. monosaccharidesingle sugar molecule


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