You are presented with the question "what can bacteria grow on?" and the following answer choices: 
- fatty acids
 - swamp vegetation
 - Most plants
 - vinegar
 - amino acids
 - calories
 - protein
 - loose dirt

Now knowing that lipids may consist of fatty acids alone, or they may contain other molecules as well and bacteria are capable of growth on fatty acids and lipids, choose the best answer.


 

 fatty acids        