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3 Written questions

3 Multiple choice questions

  1. asexual reproductive processs in which one cell divides into two separate genetically indentical cells.
  2. process by which some organisms, such as certain bacteria, use chemical energy to produce carbohydrates
  3. a poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species

2 True/False questions

  1. nitrogen fixationthe act of making or becoming a single unit, In bacteria, the direct transfer of DNA between two cells that are temporarily joined.


  2. endosporetype of spore formed when a bacterium produces a thick internal wall that encloses its DNA and a portion of its cytoplasm


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