Answer:
UAGCAUGCAU
Step-by-step explanation:
In an RNA strand, Thymine is present as Uracil meaning Thymine unable to be present in an RNA strand.
Guanine (G) and Cytosine (C) are base-pairs, and will not pair up with Adenine of Thymine/Uracil
Adenine (A) and Thymine (T) are base-pairs, and will not pair up with Cytosine or Guanine.