Answer:
Synonyms in the genetic code exist and some species only use one synonym to get the same amino acid. The reason why the percentage is low in gene is because it does not involve a lot of processes compared to the proteins which undergo mRNA and tRNA to be coded as amino acids.
Explanation:
 
        
             
        
        
        
They have to adapt to the water, the animals in the ocean, the way they hear and see.
        
             
        
        
        
<span>After strenuous exercise, a muscle cell would contain decreased amounts of ATP</span>
        
             
        
        
        
All living things are made up of more than one cell