Answer: DNA condenses into chromosomes.
Explanation: Chromatin carefully packs these DNA molecules into stringy-looking structures called chromosomes. If the DNA molecules in cells were not snaked around histones, the molecules would be 6 feet long when placed end-to-end, according to the National Human Genome Research Institute.
 
        
                    
             
        
        
        
Answer:
Warmth energy, likewise called warm energy, is the energy an item has in view of the development of its particles, and warmth can be moved starting with one article then onto the next article. Warmth energy on Earth comes from the sun
Explanation:
 
        
             
        
        
        
Root hair cells absorb minerals and water from the soil.
The water absorbed by the root hair cells passes through the plant in xylem tubes, to then reach the leaves. The energy from the sun is then used to convert water(H2O) into hydrogen (H) and oxygen(O2).
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D: All the variables are controlled except one.
        
                    
             
        
        
        
This Allows organisms such as bacteria to rapidly adjust their transcription patterns in response to environmental conditions. in addition regulatory sites on prokaryotic DNA are typically located close to transcription promoter sites - and this plays an important part in gene expression