Answer:
B.) the cell wall is like a skeleton but a bit weaker and when their is a lot of cell walls it could get rely strong.
Explanation:
 
        
                    
             
        
        
        
Answer:
A. It is a source of genetic variation
 
        
                    
             
        
        
        
The right answer is stop responding to growth regulators.
The p53 protein is a transcription factor that plays an important role in cancer. Discovered in 1979, it binds to DNA and promotes the expression of genes that must repair cellular damage. The p53 protein controls the cell cycle and interacts with dozens of genes.
 
        
                    
             
        
        
        
Answer:
i think 1 is either b or d
Explanation: