Define the term Operon.
Answers
In genetics, an operon is a functioning unit of DNA containing a cluster of genes under the control of a single promoter. ... Several genes must be co-transcribed to define an operon.
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Answer:
operon can defined as spefic arrangement of both stuctural genes and regulatory genes in prokaryotic system
Explanation:
In prokaryotes the structural genes and fuctional genes are specifically arranged in a particular format called operon.
There are many types of operon
Lac operon it contain 3 regulatory genes such as LAC I,LAC P and LAC O.lac I encodes inhibitor,LAC P represent promoter and LAC O represent operator region .Lac operon also contain 3 structural genes known as LAC Z,LACY and LAC A
LAC Z it encodes beta d galactosidase which breaks lactose into glucose and galactose
LAC Y it encodes Permease which help in the treansport of glucose accross the cell
LAC A it encodes Transacetylase which help in detoxification.
The other operons are Tryptophan operon,arabinose operon
