There are two types of toxins; endotoxins and exotoxins. ... On the other hand, endotoxins are less lethal but can cause fever to the host. Exotoxins are secreted by bacteria and release outside the cell whereas endotoxins are bacterial toxins located within the cells.
        
             
        
        
        
Answer:
DNA base triplets → amino acid sequence → protein folding pattern → protein shape and function
 
        
             
        
        
        
I believe the answer is C, Sedimentary rock.
Hope this helps.