You are presented with the question "chromosomes are coiled structures made of proteins and what?" and the following answer choices: 
- solid, liquid, gas
 - density
 - Something that causes allergies
 - deoxyribonucleic acid
 - It helps them survive
 - inheritance
 - blood cells
 - allow growth

Now knowing that chromosomes are coiled structures made of DNA and proteins and dNA is deoxyribonucleic acid, choose the best answer.


 

    deoxyribonucleic acid     