A 
it's the most grammatically correct and understandable
        
             
        
        
        
The answer is true. Their strike can break aquarium glass and even split open human thumbs.
        
             
        
        
        
Answer:
This is the basis for Chargaff's rule; because of their complementarity, there is as much adenine as thymine in a DNA molecule and as much guanine as cytosine. Adenine and thymine are connected by two hydrogen bonds, and cytosine and guanine are connected by three hydrogen bonds
 
        
             
        
        
        
Answer:
plasmolysis is the shrinkage of protoplast from the cell wall under the influence of a hypertonic solution.this can be observed by placing the fresh filament of spirogyra in a 10% solution of common salt.the cell undergoes exomosis.
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