The process is called denaturation.
I hope this helped :)
        
             
        
        
        
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Answer:
Phosphodiester bonds:"It is a co-v-a-l-e-n-t bond in which a phosphate group joins adjacent carbons through ester linkages."
-  The 3’-end has a free hydroxyl group at the 3’-carbon of a sugar, and the 5’end has a free hydroxyl group or phosphate group at the 5’-carbon of a sugar.
Explanation:
Option- E: Is The best option to Choose from. 
 The phosphodiester bond links a 3' carbon to a 5' carbon in DNA and RNA.
 
        
                    
             
        
        
        
Answer: I think that it would be C because blooms are due to eutrophication, which means that there are high levels of phosphate in the water. Phosphate is a main ingredient in pesticides, which can run-off into rivers. 
 
        
             
        
        
        
Answer:
Its chemical formula is C6 H12 O6,
Explanation:
I just counted the atoms for each element .