The first step in protein synthesis is 1, during which a nucleotide sequence is copied from _2__ to _3__. The next step is to join ___4 together to form a protein. This step is called 5. The order in which __6 are joined together determines the___7 and function of a protein. The four bases of __8___ form a language with just four nucleotide bases: adenine (A), cytosine (C), guanine (G), and uracil (U). The genetic code is read in three-base words called 9. Each __10 corresponds to a single 11__ .