If chromosomes are coiled structures made of Deoxyribonucleicacid and proteins, then what are chromosomes made of?

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

 

 Deoxyribonucleicacid, protein         