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3 Written questions

3 Multiple choice questions

  1. a poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species
  2. the act of making or becoming a single unit, In bacteria, the direct transfer of DNA between two cells that are temporarily joined.
  3. process by which some organisms, such as certain bacteria, use chemical energy to produce carbohydrates

2 True/False questions

  1. obligate anaerobeorganism that REQUIRES A CONSTANT SUPPLY OF OXYGEN in order to live


  2. binary fissonasexual reproductive processs in which one cell divides into two separate genetically indentical cells.