Examlex
Which of the following is TRUE?
Positive Control
A genetic control system in which a regulatory protein binds to DNA, turning on transcription of a gene. Compare with negative control.
Operon
A functioning unit of DNA containing a cluster of genes under the control of a single promoter, found in prokaryotes and some viruses.
Repressible Genes
Genes whose expression can be decreased or halted in response to specific stimuli or conditions, as part of cellular regulatory mechanisms.
Transcribed
The process in which a segment of DNA is copied into RNA by the enzyme RNA polymerase.
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