Examlex
What structure is formed by the thickening of the smooth muscle cell wall surrounding the bladder that regulates the flow of urine from the bladder?
Promoter
A region of DNA that initiates transcription of a particular gene, recognized and bound by enzymes and other proteins to start gene expression.
Genes
Units of heredity made up of DNA, acting as instructions to make molecules called proteins.
Prokaryotic Operon
A prokaryotic operon is a functioning unit of genomic DNA containing a cluster of genes under the control of a single promoter and is regulated together, typically found in bacteria.
RNA Polymerase
An enzyme responsible for copying a DNA sequence into an RNA sequence, during the process of transcription.
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