What is the complementary base for AUGUCGAUCACCAUUGAAGGUAGACUG?

This is an RNA strand...

The complimentary base is as follows:

A gets U
C gets G
G gets C
U gets A

So... AUGUCGAUCACCAUUGAAGGUAGACUG complimentary base should be:

UACAGCUAGUGGUAACUUCCAUCUGAC.

Good luck!

If your want to "use" this RNA you need to keep track of the ends
DNA & RNA sequences are written 5' -> 3' so the complement of
5' AUGUCGAUCACCAUUGAAGGUAGACUG 3' would be written as
5' CAGUCUACCUUCAAUGGUGAUCGACAU 3'