In this article we will discuss about the structure of lac operon in E. coli. The lac operon comprises three structural genes (z, y & a) and produces a polycistronic mRNA (Lac mRNA). This messenger RNA codes for β-galactosidase, lac permease and transacetylase. The lac permease is a single unit protein that acts as a […]
Structure of Lac Operon in E Coli | Genetics
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Properties of Lac Operon | Genetics
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In this article we will discuss about the properties of lac operon. Also learn about the role of cyclic AMP in lac operon. i) Products of all genes are transcribed in a single mRNA, called polygenic or polycistronic, starting from single promoter site. ii) mRNA of lac operon mol wt. 1.7 x 106 daltons is […]
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