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In E. coli there are seven rRNA transcription units scattered by the genome, each of that contains one copy of every of the 16S, 23S and 5S rRNA genes and one to four copies of several tRNA genes which is shown in the diagram. This gene assembly is transcribed by the single prokaryotic RNA polymerase to yield a one 30S pre-rRNA transcript about 6000 nt in the size. This arrangement make sures that stoichiometric amounts of the several rRNAs are synthesized for ribosome assembly. Subsequently transcription, the 30S pre-rRNA molecule forms internal base paired regions to provide a series of stem-loop structures and ribosomal proteins bind to form a ribonucleoprotein (RNP) difficult.
Figure: Transcription and processing of prokaryotic rRNA.
Inversion We know that atmosphere is heated from below and warm air rises, but air can be prevented from rising by a condition known as inversion. An inversion refers to a situ
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Conclusions drawn from the Monohybrid Crosses From the results of his monohybrid crosses, following conclusions were obtained :- 1 . Law of Unit or Paired Factors (Po
what chemistry
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