You are presented with the question "What can make a chemical reaction easier to get started?" and the following answer choices: 
- sweating
 - ATP
 - Carbohydrates
 - heat
 - a stove
 - DNA
 - Enzymes
 - electron

Now knowing that all chemical reactions require activation energy to get started and enzymes are catalysts and accordingly, speed up reactions by decreasing the activation energy, choose the best answer.


 

       Enzymes  