[Answer] What enzyme binds to DNA during transcription?

Answer: -RNA polymerase

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What enzyme binds to DNA during transcription? Transcription is the first of several steps of DNA based gene expression in which a particular segment of DNA is copied into RNA (especially mRNA) by the enzyme RNA polymerase. Both DNA and RNA are nucleic acids which use base pairs of nucleotides as a complementary language. During transcription a DNA sequence is read by an RNA polymerase which produces a complementary antiparallel RNA strand called a primary transcript. Transcription (biology) - Wikipedia Transcription (biology) - Wikipedia Messenger RNA - Wikipedia It is common in biology for important processes to have multiple layers of regulation and control. This is also true with transcription factors: Not only do transcription factors control the rates of transcription to regulate the amounts of gene products (RNA and protein) available to the cell but transcription factors themselves are regulated (often by other transcription factors). Below is a brief synopsis of some of the ways that the activity of transcription factors can be regulated: Topoisomerases (or DNA topoisomerases) are enzymes that participate in the overwinding or underwinding of DNA. The winding problem of DNA arises due to the intertwined nature of its double-helical structure. During DNA replication and transcription DNA becomes overwound ahead of a replication fork. If left unabated this torsion would eventually stop the ability of DNA or RNA … Promoters are elements of DNA that may bind RNA polymerase and other proteins for the successful initiation of transcription directly upstream of the gene. Operators recognize repressor proteins that ...

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