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5 Written questions

5 Matching questions

  1. prokaryotic
  2. radioisotope
  3. isotope
  4. protien
  5. polarity
  1. a polymer made up of amino acid monomers
  2. b an unstable isotope of an element, which undergoes radioactive decay
  3. c property of a molecule with oppositely charged ends. because of it, water is able to dissolve many different substances
  4. d describes a cell that does not have a nucleus or anyother membrane-covered organelles; also called bacteria.
  5. e atoms of the same element that have different numbers of neutrons in the nucleus

5 Multiple choice questions

  1. A research method whereby a problem is identified, a hypothesis stated, and hypothesis is tested
  2. steroid molecule present in the plasma membranes of animal cells
  3. positively charged particle of an atom
  4. a lipid made of phosphate group (hydrophilic head) and two fatty acids (hydrophobic tails). forms cell membrane.
  5. polysaccharide in animal cells that consists of many glucose monomers. for energy

5 True/False questions

  1. organic moleculecarbon-based molecule


  2. polymerslong chains of monomers


  3. basehas a high pH, accepts H(+) ions


  4. hydrophilic"water hating"


  5. cell theoryidea 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


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