What would the translation of mRNA uua caa gga gca ucc produce?

G is paired with C, U with A orT with A, U is used in RNA and T is used in DNA.

Now just replace the letters with their paired letter.

C G C U A U A G C-before

G C G A U A U C G-after

therefore your answer is GCGAUAUCG.

hope this helps :)