Final answer:
The 20 base RNA sequence 5' to 3' derived from the given DNA sequence would be 5'-UGACUAUCGAUCGUGAUCGAUCGCAGCUAGCACAUCCAUCGCAUCGAUCUGCACGACGCUAGC-3'.
Step-by-step explanation:
The 20 base RNA sequence 5' to 3' can be derived from the given DNA sequence by replacing each T with U. Therefore, the 20 base RNA sequence would be 5'-UGACUAUCGAUCGUGAUCGAUCGCAGCUAGCACAUCCAUCGCAUCGAUCUGCACGACGCUAGC-3'.