You are presented with the question "What are part of chromosomes?" and the following answer choices: 
- Chemical energy
 - color of leaves
 - sensory neurons
 - the body's largest organ
 - Most plants
 - histone proteins
 - keeps the organism warm
 - more abundant

Now knowing that chromosomes are coiled structures made of DNA and proteins and chromosomes are made up of DNA and histone proteins, choose the best answer.


 

      histone proteins   