Write the sequences of bases in the sense strand of DNA that resulted in the mRNA in

Question:

Write the sequences of bases in the sense strand of DNA that resulted in the mRNA in Problem 18.
Problem 18.
If methionine is the first amino acid incorporated into a heptapeptide, what is the sequence of the amino acids encoded for by the following stretch of mRNA?
5ʹ-G-C-A-U-G-G-A-C-C-C-C-G-U-U-A-U- U-A-A-A-C-A-C-3ʹ