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5 Written questions

5 Matching questions

  1. proteins
  2. buffer
  3. lysosomes
  4. characteristics of life
  5. fine adjustment
  1. a elements-C,H,O,N
    monomer-amino acid
    function-rebuild body structures
  2. b Made up of cells, Reproduction, Based on a genetic code, growth and development, need for materials and energy, response to the environment, homeostasis, evolution
  3. c used on high power, focuses small things
  4. d an ionic compound that resists changes in its pH
  5. e small, round structures containing chemicals that break down certain materials in the cell

5 Multiple choice questions

  1. compound that donates H+ ions to an aqueous solution and measures less than 7 on the pH scale
  2. elements-C,H,O(1:2:1)
    polymer-polysaccharides, complex carbs
    fuction-provide energy
  3. The organelle that contains the DNA and controls the processes of the cell
  4. If you get cut during a lab and it's not serious, just put a band-aid on it.
  5. a cell organelle composed of RNA and protein; the site of protein synthesis

5 True/False questions

  1. cytoskeletonan attraction between molecules of the same substance


  2. lipidselements-C,H,O
    monomer-glycerol+fatty acid
    polymer-comlex, unsaturated lipids, oils
    function-store energy


  3. eukaryotea single-celled organism that does not have a nucleus or membrane-bound organelles; examples are archaea and bacteria


  4. pHcompound that donates H+ ions to an aqueous solution and measures less than 7 on the pH scale


  5. covalent bondA type of weak chemical bond formed when the slightly positive hydrogen atom of a polar covalent bond in one molecule is attracted to the slightly negative atom of a polar covalent bond in another molecule.