Im not 100 percent sure, but I believe that the answer is D) because A), B), and C) are all equally necessary. Yet D) seems to have a much higher level of importance
        
                    
             
        
        
        
Answer: p53
Explanation:
In most cases, the p53 gene is mutated, giving rise to a stable mutant protein whose accumulation is regarded as a hallmark of cancer cells.
 
        
             
        
        
        
Vitamins, minerals, fibre, protein, carbohydrates, fats lipids