An operon is known as the point of control for bacterial gene regulation. Each operon is a transcription unit containing multiple genes and its expression is controlled by a single promoter. This means that the genes are coordinately controlled.
Which of the following is true about operons?
A. Operons afford the organism the opportunity to simultaneously regulate transcription of multiple genes, whose products are active in the same process.
B. Promoters and repressors as parts of operons serve as information integrating units, thereby affording more flexible response to the environmental changes.
C. Operons provide redundancy in proofreading the most essential parts of genetic code, thereby reducing the susceptibility of the organisms to lethal mutations.
D. Operons, significantly increase the rate of DNA replication, thereby ensuring the required rate of bacteria reproduction.
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