In this article we will discuss about the characters of different groups of prokaryotes. Domain: Archaea: The important characters of Domain Archaea (Gr. archaios, ancient) are: Important Characters of Archaea: 1. Members of the Domain Archaea i.e., Archebacteria can live in different habitats like. i. Extreme acidic and hot (above 100°C) environment, ii. Extreme saline […]
The below mentioned article provides a study note on the transcription in prokaryotes. In prokaryotic organisms, transcription occurs in three phases known as initiation, elongation and termination with the help of single RNA polymerase. RNA Polymerase: RNA is synthesized by a single RNA polymerase enzyme which contains multiple polypeptide subunits. In E. coli, the RNA […]
In this article we will discuss about the Transcriptional and Post-Transcriptional Regulation in Prokaryotes. Transcriptional Regulation of Gene Expression in Prokaryotes: Gene transcription is regulated in bacteria through a complex of genes termed operon. These are transcriptional units in which several genes, with related functions, are regulated together. Other genes also occur in operons which […]
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