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3 Written questions

3 Multiple choice questions

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