Proteins differ from one another primarily in their sequence of amino acids
        
                    
             
        
        
        
Answer:
(this is a phase i would create in regards to this question)
The duplicphase a phase when cells multiple at a constant rate until they have created a pure offspring 
Explanation:
Mitosis takes place in four stages: prophase (sometimes divided into early prophase and prometaphase), metaphase, anaphase, and telophase.
 
        
             
        
        
        
Gametogenesis produces human egg and sperm cells
        
                    
             
        
        
        
12/44 = 0.2727
(X100)
= 27
( therefore the percent mass of carbon in carbon dioxide is 27%)