Answer:
Amino acids
Explanation:
Proteins are made up of amino acids which come together to form polypeptide chains.
 
        
             
        
        
        
Guanine and adenine, structure-wise, are purines.
        
             
        
        
        
The scientist see the transmission of DNA in Genes
        
             
        
        
        
<span> Cells are the basic units of life. All living things are made of cells. <span> All cells are produced by existing cells.
very few cells reproduce
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