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In bacteria, since the mRNA does not require any processing to become active, and also since transcription and translation take place in the same compartment (there is no separation of cytosol and nucleus in bacteria), many times the translation can begin much before the mRNA is fully transcribed. Consequently, the transcription and translation can be coupled Th nder catur nd t n bacteria ecer

In bacteria, since the mRNA does not require any processing to become active, and also since transcription and translation take place in the same compartment (there is no separation of cytosol and nucleus in bacteria), many times the translation can begin much before the mRNA is fully transcribed. Consequently, the transcription and translation can be coupled Th nder catur nd t n bacteria ecer

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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please provide handwritten explanation 

1 it is written tranlation and trancription occurs early in bacteria does that means in bacteria central dogma rule dosen't follow 

I am sending you two images 

In bacteria, since the mRNA does not require any processing to become active, and also since transcription and translation take place in the same compartment (there is no separation of cytosol and nucleus in bacteria), many times the translation can begin much before the mRNA is fully transcribed. Consequently, the transcription and translation can be coupled in bacteria. nuc The nders cature nd th itionol oomplorition еcen h the
Transcribed Image Text:In bacteria, since the mRNA does not require any processing to become active, and also since transcription and translation take place in the same compartment (there is no separation of cytosol and nucleus in bacteria), many times the translation can begin much before the mRNA is fully transcribed. Consequently, the transcription and translation can be coupled in bacteria. nuc The nders cature nd th itionol oomplorition еcen h the
transcriptuon. An intriguing question is that how is the RNA polymerases abla to catalyse all the three steps, which are initiation, elongation and termination. The RNA polymerase is only capable of catalysing the process of elongation. It associates transiently with initiation-factor (a and termination-factor (p) to initiate and terminate the transcription. respectively. Association with these factors alter the specificity of the RNA polymerase to either initiate or terminate (Figure 6.10). In bacteria, since the mRNA does not require any processing to become active, and also since transcription and translation take place in the same compartment (there is no separation of cytosol and nucleus in bacteria), many times the translation can begin much before the mRNA is fully transcribed. Consequently, the transcription and translation can be coupled in bacteria. In eukaryotes, there are two additional complexities - (i) There are at least three RNA polymerases in the nucleus (in addition to the RNA polymerase found in the organelles). There is a clear cut division of labour. The RNA polymerase I transcribes rRNAS sul and ex additio unusu the 5- added proce nucle The nderst eature nd the ecent h the .6 Durir noth
Transcribed Image Text:transcriptuon. An intriguing question is that how is the RNA polymerases abla to catalyse all the three steps, which are initiation, elongation and termination. The RNA polymerase is only capable of catalysing the process of elongation. It associates transiently with initiation-factor (a and termination-factor (p) to initiate and terminate the transcription. respectively. Association with these factors alter the specificity of the RNA polymerase to either initiate or terminate (Figure 6.10). In bacteria, since the mRNA does not require any processing to become active, and also since transcription and translation take place in the same compartment (there is no separation of cytosol and nucleus in bacteria), many times the translation can begin much before the mRNA is fully transcribed. Consequently, the transcription and translation can be coupled in bacteria. In eukaryotes, there are two additional complexities - (i) There are at least three RNA polymerases in the nucleus (in addition to the RNA polymerase found in the organelles). There is a clear cut division of labour. The RNA polymerase I transcribes rRNAS sul and ex additio unusu the 5- added proce nucle The nderst eature nd the ecent h the .6 Durir noth
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