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5 Written questions

5 Matching questions

  1. radioisotope
  2. neutron
  3. electron
  4. cell theory
  5. element
  1. a an unstable isotope of an element, which undergoes radioactive decay
  2. b 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
  3. c neutral particle of an atom
  4. d negatively charged particle of an atom
  5. e A substance that cannot be broken down into simpler substances

5 Multiple choice questions

  1. a lipid made of phosphate group (hydrophilic head) and two fatty acids (hydrophobic tails). forms cell membrane.
  2. A research method whereby a problem is identified, a hypothesis stated, and hypothesis is tested
  3. basic building blocks of protein molecules
  4. bond formed by the TRANSFERING of electrons from one atom to another
  5. has a high pH, accepts H(+) ions

5 True/False questions

  1. carbohydratehas a high pH, accepts H(+) ions

          

  2. atomAn electrically charged atom that has gained or lost electrons

          

  3. macromoleculetwo or more atoms held together by covalent bonds

          

  4. hydrophilic"water hating"

          

  5. polymersbuilding blocks of polymers

          

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