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3 Written questions

3 Multiple choice questions

  1. type of spore formed when a bacterium produces a thick internal wall that encloses its DNA and a portion of its cytoplasm
  2. organism that REQUIRES A CONSTANT SUPPLY OF OXYGEN in order to live
  3. asexual reproductive processs in which one cell divides into two separate genetically indentical cells.

2 True/False questions

  1. nitrogen fixationthe assimilation of atmospheric nitrogen by soil bacteria and its release for plant use on the death of the bacteria


  2. obligate anaerobean organism that cannot grow in the presence of oxygen