3 Written questions
3 Multiple choice questions
- process by which some organisms, such as certain bacteria, use chemical energy to produce carbohydrates
- the assimilation of atmospheric nitrogen by soil bacteria and its release for plant use on the death of the bacteria
- type of spore formed when a bacterium produces a thick internal wall that encloses its DNA and a portion of its cytoplasm
2 True/False questions
toxin → the act of making or becoming a single unit, In bacteria, the direct transfer of DNA between two cells that are temporarily joined.
obligate aerobe → an organism that cannot grow in the presence of oxygen