RNA polymerase is a good name for that enzyme because it accurately describes its function:

* RNA: The enzyme synthesizes RNA, a nucleic acid essential for protein synthesis and other cellular processes.

* Polymerase: This refers to the enzyme's ability to polymerize, meaning it joins individual nucleotide subunits together to form a long chain of RNA.

Therefore, RNA polymerase effectively captures the essence of the enzyme's role in building RNA molecules from individual nucleotides.