Answer:
viral envelope
The phospholipids in the viral envelope are similar to those in the plasma membrane of an infected host cell. The viral envelope is, in fact, derived by budding from that membrane, but contains mainly viral glycoproteins.
 
        
             
        
        
        
Answer:
I think humans and whales are closely related on the evolutionary tree because they are both mammals and both have endoskeleton
 
        
                    
             
        
        
        
He association of two or more polypeptides in a multimeric protein is known as the <span>Quaternary structure.</span>
        
             
        
        
        
☁️ Answer ☁️ 
Photosynthesis is a process by which phototrophs convert light energy into chemical energy, which is later used to fuel cellular activities. The chemical energy is stored in the form of sugars, which are created from water and carbon dioxide.
Hope it helps. 
Have a nice day noona!~  ̄▽ ̄
 
        
                    
             
        
        
        
The answer would be ''Y-Chromosomes Analysis''