Answer:
UGG 
Explanation:
Look at a codon chart then look for Tryptophan then look for the 3 letter codon that corresponds 
 
        
             
        
        
        
Answer:
1. A. carbon,hydrogen,nitorgen and oxygen
2.C. Nucleotides
3.A.Brain
4.D. Polysaccharide
5. B.Amino acids contain nitrogen; fatty acids and sugars do not.
 
        
                    
             
        
        
        
B - Enzymes act as catalysts because they lower the activation energy