You are presented with the question "What are chromosomes made of?" and the following answer choices: 
- Deoxyribonucleicacid, protein
 - sulfuric acid, fat
 - Chemical energy
 - protein, hydrobromic acid
 - boric acid, protein
 - Something that comes in a bundle of fibers
 - sub-units of species
 - A compound that donates proton

Now knowing that chromosomes are coiled structures made of DNA and proteins and dNA stands for Deoxyribonucleicacid, choose the best answer.


 

 Deoxyribonucleicacid, protein        