Question

For the DNA base sequence ATA what is the mRNA codon? What is the tRNA codon that binds to the mRNA codon and what is the correct amino acid that is coded by the base sequence?

Answer 1

you can answer the first part of all your questions with this:
DNA -> DNA
A -> T
T -> A
C -> G
G -> C
DNA -> RNA
A -> U
T -> A
C -> G
G -> C

so ATA -> UAU

Answer 2

Thanks for your help