wrecking crew: old building:: lysosome: damaged organelle.
A lysosome is an organelle that contains enzymes that break down and digest unneeded cellular components, such as a damaged organelle. 
 
        
                    
             
        
        
        
Our fingerprints are like our own dna that makes up our identity. Our fingerprints are like a serial code which can be scanned like the iPhone. 
 
        
             
        
        
        
Answer: a. True
Explanation:
The main aim of the IRB is to safeguard the right of the human subjects used for the purpose of research conducted by the governmental authority. It also emphasizes over the protection of the researchers from illegal complaints. The risks to the human subjects can be minimized by using procedures which cause no harm to them and a detail consent of the research practice should be taken from these subjects by informing the purpose of research.