The processes of transcription and translation as “coupled” in bacteria is described by Microbiologists. This term indicates that a bacterial mRNA can be undergoing transcription, when it is undergoing translation. a) The coupling of possible transcription and translation in bacteria is to be described. b) The possibility of coupling of transcription and translation in single-celled eukaryotes such as yeast is to be cheked. Introduction: Transcription is the process of synthesis of new RNA strands from the template one. There is a synthesis of an RNA strand from deoxy nucleotides of the sense strand. The formation of mRNA replaces the Thymine nucleotide with Uracil. RNA synthesis occurs in the direction of 5'-3' end. Any one of the DNA strands is selected for transcription. In bacteria, to save energy, the process is coupled –transcription and translation, while in eukaryotes, the process is divided and separate - transcription occurs in the nucleus and translation in the cytoplasm. In prokaryotes- the process is DNA-RNA-proteins, whereas in Eukaryotes- DNA-mRNA- RNA processing (posttranscriptional modification) - proteins.

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Chapter 8, Problem 23P

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To review:

The processes of transcription and translation as “coupled” in bacteria is described by Microbiologists. This term indicates that a bacterial mRNA can be undergoing transcription, when it is undergoing translation.

a) The coupling of possible transcription and translation in bacteria is to be described.

b) The possibility of coupling of transcription and translation in single-celled eukaryotes such as yeast is to be cheked.

Introduction:

Transcription is the process of synthesis of new RNA strands from the template one. There is a synthesis of an RNA strand from deoxy nucleotides of the sense strand. The formation of mRNA replaces the Thymine nucleotide with Uracil. RNA synthesis occurs in the direction of 5'-3' end. Any one of the DNA strands is selected for transcription. In bacteria, to save energy, the process is coupled –transcription and translation, while in eukaryotes, the process is divided and separate - transcription occurs in the nucleus and translation in the cytoplasm. In prokaryotes- the process is DNA-RNA-proteins, whereas in Eukaryotes- DNA-mRNA- RNA processing (posttranscriptional modification) - proteins.

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