In biology, histones are highly alkaline proteins found in eukaryotic cell nuclei that package and order the DNA into structural units called nucleosomes. They are the chief protein components<span> of </span>chromatin<span>, acting as spools around which DNA winds, and playing a role in </span>gene regulation<span>.</span>
        
             
        
        
        
The answer is none of the above because organic materials, gasses, and minerals are all component soils.
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The capability of both leptin and cholecystokinin in which they
have a similarity when a person has decreased its food intake. A leptin is a
way of helping an individual to regulate energy in means of having to inhibit
its hunger while the cholecystokinin is responsible for having to stimulate
digestions.
 
        
             
        
        
        
Answer:
1. make an observation 2. ask a question based on your observation. 3. form a hypothesis/ make a prediction 4. do a test or experimentation 5. analyze data 6. form a conclusion
Explanation: