You are presented with the question "What do all cells share?" and the following answer choices: 
- basic function
 - Veins and arteries.
 - exact structure
 - how they look
 - energy usage
 - Electrical energy
 - types of protein
 - Chemical energy

Now knowing that all cells share some of the same structures and basic functions and biological structures are too complex, choose the best answer.


 

 basic function        