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5 Written questions

5 Matching questions

  1. cell theory
  2. element
  3. phospholipid
  4. hydrophobic
  5. polar molecule
  1. a A molecule that has electrically charged areas.
  2. b "water hating"
  3. c idea that all living things are composed of cells, cells are the basic units of structure and function in living things, and new cells are produced from existing cells
  4. d A substance that cannot be broken down into simpler substances
  5. e a lipid made of phosphate group (hydrophilic head) and two fatty acids (hydrophobic tails). forms cell membrane.

5 Multiple choice questions

  1. two or more atoms held together by covalent bonds
  2. A storage polysaccharide in plants consisting entirely of glucose. for energy
  3. bond formed by the SHARING of electrons between atoms
  4. macromolecules used for energy storage, cell membranes, and waterproofing
  5. "water loving"

5 True/False questions

  1. monomersbuilding blocks of polymers


  2. ionsmallest particle of an element


  3. disaccharidesingle sugar molecule


  4. macromoleculeA molecule that has electrically charged areas.


  5. protonpositively charged particle of an atom