The Beginning of a Strand of MRNA Has the Following

Multiple Choice

The beginning of a strand of mRNA has the following base sequence: AUGUUCUCUGAUGGCAAUUCU. The polypeptide formed by the first six steps of protein synthesis has the composition Met-Phe-Ser-Asp-Gly-Asn. What is the next amino acid to be added to the polypeptide chain?

A) Asn
B) Asp
C) Met
D) Phe
E) Ser