Answer:
yes
Explanation:
Nucleosomes fold up to form a 30-nanometer chromatin fiber, which forms loops averaging 300 nanometers in length. The 300 nm fibers are compressed and folded to produce a 250 nm-wide fiber, which is tightly coiled into the chromatid of a chromosome.
 
        
                    
             
        
        
        
Answer:
The given blank can be filled with interferons. 
Explanation:
The signaling molecules or the proteins that get discharged by the cell infected by the virus to protect the adjacent cells by stimulating a safeguarding defense mechanism are termed as interferons.  
The mentioned proteins obstruct the proliferation of viruses and thus helps the cell in getting rid of the infection. These molecules also assist in stimulating the macrophages and the natural killer cells.  
 
        
             
        
        
        
Answer:
mitochondria because it provides the cell with energy
 
        
             
        
        
        
First answer: 4
Second answer: I think 2?
Third answer: 5
Fourth answer: 1