The enzyme that is responsible for making an RNA sequence

RNA polymerase

Explanation:

RNA polymerase, an enzyme in the cell, is responsible for creating mRNA from the correct gene.

The enzyme that is mainly responsible for RNA synthesis is known as RNA polymerase.

Explanation:

hope this is what u want cause I don't know abt RNA sequence( never heard abt it tho ) but RNA synthesis

in situ hybridization has been widely used for research applications, including clinical cytogenetics, gene mapping, tumor biology and studies of chromosome evolution.

the question isn't complete here so i can't right an answer '_'