Active transport. 
please give brainliest if correct, thank u
        
             
        
        
        
Protein plays a crucial role in almost all biological processes and amino acids are the building blocks of it. A large proportion of our cells, muscles and tissue is made up of amino acids, meaning they carry out many important bodily functions, such as giving cells their structure
        
             
        
        
        
D,E,G is the correct answer