Question

Define the operon and name its constituent gene's?
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Answer 1

Answer:

Operons are clusters of genes that share the same promoter and are transcribed as a single large mRNA that contains multiple structural genes or cistrons. It consists of three adjacent structural genes, a promoter, a terminator, and an operator.

Explanation:

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Answer 2

Operon and its structural genes are defined below:

What is operon?

• Operon is a region of DNA that has specific regions where transcription occurs when a suitable repressor and activator bind to it.

Constituent genes of lac operon are:

• Operon has genes that transcribe mRNA which in turn form proteins.
• Operon constituents include a promoter, operator, regulator and structural genes.
• Structural genes of lac operon are lac z, lac y and lac a.
• When promoter adds to operator region transcription occurs while the addition of repressor molecule inhibits transcription.