In this article we will discuss about the processing of pre-tRNA in E.coli and yeast. In prokaryotes, there are many operons (e.g. 7 genes in E. coli) which are separated by spacer sequences. Mature tRNA molecules are generated by processing longer pre-tRNA transcripts. Through a specific step, RNases D, E, F and P generate these […]
Processing of Pre-tRNA in E.coli and Yeast | Genetics
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Processing of mRNA in Prokaryotes and Eukaryotes | Genetics
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In this article we will discuss about the processing of mRNA in prokaryotes and eukaryotes. In prokaryotes, there is a little or no processing of mRNA transcripts. Prokaryotic mRNA is degraded very rapidly from 5′ end. Therefore, to rescue from degradation it is translated before being finally transcribed. Ribosomes assemble on unfinished mRNA and first […]
Role of RNA in Protein Synthesis | Microbiology
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The processed RNA molecules take part in protein synthesis with the help of ribosomes. All the three types of RNAs are involved in protein synthesis in the following main steps: (i) Activation of amino acids, (ii) Transfer of amino acid to tRNA, (iii) Initiation of protein synthesis, (iv) Elongation of the polypeptide chain. During the […]
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