You are presented with the question "What is used for energy by cells?" and the following answer choices: 
- Converted sugar
 - sunlight
 - electricity
 - Extracted blood
 - fur and fat
 - Converted salt
 - layers of fat
 - Inhaled oxygen

Now knowing that glucose is used for energy by the cells of most organisms and glucose All sugars get converted to glucose in the blood, choose the best answer.


 

 Converted sugar        