Operon is a
Operon is a
- A
sequence of three nitrogen bases determining a single amino acid.
- B
set of closely placed genes regulating a metabolic pathway in prokaryotes.
- C
segment of $DNA$ specifying a polypeptide.
- D
gene responsible for switching on and switching off other genes.
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A low level of expression of lac operon occurs at all the time. Can you explain the logic behind this phenomena.
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