In this article we will discuss about:- 1. Definition of Operon 2. Features of Operon 3. Effector Control of Messenger Synthesis 4. Polarity 5. Modulation. Definition of Operon: In 1961 two Nobel laureates, Jacob and Monod, postulated the existence of new genetic unit, the operon to explain the integrated control of the action of genes […]
Operon: Definition, Features and Modulation | 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 […]
Genetic Code: Aspects and Mechanisms | Human Genetics
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In this article we will discuss about the functional aspects and mechanisms of genetic code. Functional Aspects of Genetic Codon: All the amino acids except methionine and tryptophan are specified by more than one codon. Three amino acids—leucine, serine and orginine—are each specified by six different codons. Isoleucine has three codons, and the other amino […]
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