Answer:
the answer is B
Explanation:
Sorry about those idiots from the other question
 
        
             
        
        
        
-Surface area to volume ratio. (surface area / volume)
-Nucleo-cytoplasmic ratio.
-Fragility of cell membrane.
-Mechanical structures necessary to hold the cell together (and the contents of the cell in place)
        
             
        
        
        
This is possible because of the length of the protein. It is always possible to add more amino acids and synthesize new protein and every new addition increases the number of possibilities drastically.
        
             
        
        
        
Eukaryotic cells have chromosomes, a membrane-bound nucleus, and membrane-bound organelles, practically any living thing. Eukaryotic cells are also considered animal cells. 
It could be both liver and oak. 
It could also just be <u>liver</u> if it specifies eukaryotic animal cells.