You are presented with the question "ats and proteins can be used for energy by the cells of what?" and the following answer choices: 
- mammals
 - Plants growth
 - Most plants
 - our planet
 - microorganisms
 - bacteria
 - most organisms
 - animals

Now knowing that glucose is used for energy by the cells of most organisms and after hours of no glucose ingestion, fats and proteins can be used for energy, choose the best answer.


 

       most organisms  