1. molecul of DNA 2. dna packed (coild) around histon h1 3.second stage of dna packing -solenoid thread 4. third stage of packing-chromosomal thread 5.chromosome-chromosomal threads are packed inside
        
             
        
        
        
The purpose of a quick body response is from your brain. Your brain has a nervous system that can tell you to do things that you should.
In this case, Pulling your hand away from a hot stove could be dangerous, so you nervous system quickly reacts to take your hand away from the stove.
        
             
        
        
        
Answer:
Hypothesis
Explanation:
In the scientific method used by scientist, The Hypothesis  has a tentative or proposed explanation that gives report of an observed or measured phenomena.  The hypothesis is usually based on previous observations which fails to be explained by available scientific theories. It is the starting point for further investigation that can  be tested through experimentation.