You are presented with the quiz "Chromosomes are what made of deoxyribonucleic acid and proteins?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "chromosomes are coiled structures made of DNA and proteins" and "dNA is an abbreviation for deoxyribonucleic acid". 

So, what's the best answer to the question?


 

       coiled structures    