Match the word(s) on the left with the item on the right that best describes it.

1. Cas9 

 2. cellulose 

3. mixotrophs 

4. methanogens 

 5. exotoxins 

      A. poisonous toxins secreted by pathogenic bacteria

      B.organisms that are both autotrophic & heterotrophic

      C. a protein that cuts DNA at precise locations.

      D. found in the cell wall of plants

      E. anaerobic archeans